2010 Cadillac CTS Sedan AWD V6-3.6L Page 102

2010 Cadillac CTS Sedan AWD V6-3.6L Page 102

瀚慖f greater than the specified range, test the control circuit for a short to voltage.

7. Test for less than 1 V between the appropriate low control circuit terminal and ground.

* I/P module Stage 1 terminal 2 X1

* I/P module Stage 2 terminal 1 X2

* Driver roof rail module terminal B

* Passenger roof rail module terminal A

* Left side impact module terminal 1

* Right side impact module terminal 1

* Driver seat belt pretensioner terminal 2

* Passenger seat belt pretensioner terminal 2

瀚慖f greater than the specified range, test the circuit control for a short to voltage.

8. Ignition OFF, test for infinite resistance between the appropriate high control circuit terminal and ground.

* I/P module Stage 1 terminal 1 X1

* I/P module Stage 2 terminal 2 X2

* Driver roof rail module terminal A

* Passenger right roof rail module terminal A (RHD)

* Passenger right roof rail module terminal B

* Left side impact module terminal 2

* Right side impact module terminal 2

* Driver seat belt pretensioner terminal 1

* Passenger seat belt pretensioner terminal 1

瀚慖f not the specified value, test the control circuit for a short to ground.

9. Test for infinite resistance between the appropriate low control circuit terminal and ground.

* I/P module Stage 1 terminal 2 X1

* I/P module Stage 2 terminal 1 X2

* Driver roof rail module terminal B

* Passenger roof rail module terminal A

* Left side impact module terminal A

* Right side impact module terminal A

* Driver seat belt pretensioner terminal 1

* Passenger seat belt pretensioner terminal 1

瀚慖f not the specified value, test the control circuit for a short to ground.

10. Test for less than 1 ohm between the following high control circuit terminals.

* I/P module Stage 1 terminal 1 X1 and SDM terminal 5

* I/P module Stage 2 terminal 2 X2 and SDM terminal 8

* Driver roof rail module terminal A and SDM terminal 17 X2

* Passenger roof rail module terminal A and SDM terminal 53 X2

* Left side impact module terminal 2 and SDM terminal 13 X2

* Right side impact module terminal 2 and SDM terminal 16 X2

* Driver seat belt pretensioner terminal 1 and SDM terminal 9 X2

* Passenger seat belt pretensioner terminal 1 and SDM terminal 12 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

11. Test for less than 1 ohm between the following low control circuit terminals.

* I/P module Stage 1 terminal 2 X1 and SDM terminal 6

* I/P module Stage 2 terminal 1 X2 and SDM terminal 7

* Driver roof rail module terminal B and SDM terminal 18 X2

* Passenger roof rail module terminal B and SDM terminal 54 X2

* Left side impact module terminal 1 and SDM terminal 14 X2

* Right side impact module terminal 1 and SDM terminal 15 X2

* Driver seat belt pretensioner terminal 2 and SDM terminal 10 X2

* Passenger seat belt pretensioner terminal 2 and SDM terminal 11 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

12. If all circuits test normal, replace the SDM.

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1711

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1711

瀚慖f the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

瀚慖f greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P060B

DTC P0601-P0606, P060B, or P062F

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptor

DTC P0601

- Transmission Control Module (TCM) Read Only Memory (ROM)

DTC P0602

- Transmission Control Module (TCM) Not Programmed

DTC P0603

- Transmission Control Module (TCM) Long Term Memory Reset

DTC P0604

- Transmission Control Module (TCM) Random Access Memory (RAM)

DTC P0606

- Transmission Control Module (TCM) Internal Performance

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1694

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1694

瀚慖f the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

瀚慖f greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P0053

DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, or P0161

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC P0030

- HO2S Heater Control Circuit Bank 1 Sensor 1

DTC P0036

- HO2S Heater Control Circuit Bank 1 Sensor 2

DTC P0050

- HO2S Heater Control Circuit Bank 2 Sensor 1

DTC P0053

- HO2S Heater Resistance Bank 1 Sensor 1

DTC P0054

- HO2S Heater Resistance Bank 1 Sensor 2

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1711

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1711

瀚慖f the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

瀚慖f greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P060B

DTC P0601-P0606, P060B, or P062F

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptor

DTC P0601

- Transmission Control Module (TCM) Read Only Memory (ROM)

DTC P0602

- Transmission Control Module (TCM) Not Programmed

DTC P0603

- Transmission Control Module (TCM) Long Term Memory Reset

DTC P0604

- Transmission Control Module (TCM) Random Access Memory (RAM)

DTC P0606

- Transmission Control Module (TCM) Internal Performance

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1694

2010 Cadillac Truck Escalade RWD V8-6.2L Page 1694

瀚慖f the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

瀚慖f greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P0053

DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, or P0161

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC P0030

- HO2S Heater Control Circuit Bank 1 Sensor 1

DTC P0036

- HO2S Heater Control Circuit Bank 1 Sensor 2

DTC P0050

- HO2S Heater Control Circuit Bank 2 Sensor 1

DTC P0053

- HO2S Heater Resistance Bank 1 Sensor 1

DTC P0054

- HO2S Heater Resistance Bank 1 Sensor 2

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2575

2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 2575

瀚慖f the test lamp illuminates, test the control circuit for a short to voltage.

3. Verify that a test lamp illuminates between the ignition circuit terminal 85 and ground.

瀚慖f the test lamp does not illuminate, test the ignition circuit for a short to ground or a open/high resistance. If the circuit tests normal and

ignition circuit fuse is open, test all components connected to the ignition circuit and replace as necessary.

4. Verify that a test lamp illuminates between the relay B+ circuit terminal 30 and ground.

瀚慖f the test lamp does not illuminate, test the B+ circuit for a short to ground or a open/high resistance. If the circuit tests normal and B+

circuit fuse is open, replace the A/C clutch relay.

5. Disconnect the harness connector at the A/C clutch coil.

6. Test for less than 1 ohm between the ground circuit terminal 2 and ground.

瀚慖f greater than the specified range, test the ground circuit for an open/high resistance.

7. Connect the harness connector at the A/C clutch coil.

8. Connect a 10-amp fused jumper wire between the B+ circuit terminal 30 and control circuit terminal 87. Verify the A/C clutch is activated.

瀚慖f the A/C clutch does not activate, test the control circuit for an open/high resistance. If the circuit tests normal, test or replace the A/C

clutch.

9. Connect a test lamp between the ignition circuit terminal 85 and the control circuit terminal 86.

10. Command the A/C relay output function ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between the

commanded states.

瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the ECM.

瀚慖f the test lamp is always OFF, test the control circuit for a short to voltage, or an open/high resistance. If the circuit tests normal, replace

the ECM.

11. If all circuits test normal, test or replace the A/C clutch relay.

Component Testing

1. Ignition OFF, disconnect the A/C COMP relay.

2. Test for 60-180 ohms between terminals 85 and 86.

瀚慖f the resistance is not within the specified range, replace the relay.

3. Test for infinite resistance between the following terminals:

* 30 and 86

* 30 and 87

* 30 and 85

* 85 and 87

瀚慖f not the specified value, replace the relay.

4. Install a 30-amp fused jumper wire between relay terminal 85 and 12 volts. Install a jumper wire between relay terminal 86 and ground. Test

for less than 2 ohms between terminals 30 and 87.

瀚慖f greater than the specified range, replace the relay.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Relay Replacement (Attached to Wire Harness) (See: Power and Ground Distribution/Power Distribution Relay/Service and Repair/Relay

Replacement (Attached to Wire Harness))Relay Replacement (Within an Electrical Center) (See: Power and Ground Distribution/Power

Distribution Relay/Service and Repair/Relay Replacement (Within an Electrical Center))

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

HVAC - Automatic

DTC P0645

Diagnostic Instructions

2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1812

2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1812

锟斤拷If the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

锟斤拷If greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P060B

DTC P0601-P0606, P060B, or P062F

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptor

DTC P0601

- Transmission Control Module (TCM) Read Only Memory (ROM)

DTC P0602

- Transmission Control Module (TCM) Not Programmed

DTC P0603

- Transmission Control Module (TCM) Long Term Memory Reset

DTC P0604

- Transmission Control Module (TCM) Random Access Memory (RAM)

DTC P0606

- Transmission Control Module (TCM) Internal Performance

2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1795

2010 Cadillac Truck Escalade ESV AWD V8-6.2L Page 1795

锟斤拷If the test lamp does not illuminate, or flash, test the control circuit for a short to voltage, or an open/high resistance. If the

circuit/connections test normal, replace the K20 ECM.

Note:

* Less than 10 ohm on the ignition voltage circuit, or control circuit may set a DTC. If there is resistance on a circuit the driver will remain

ON and the scan tool will display greater than 0.00 amp.

* Performing this test may set additional DTCs.

5. Ignition OFF, connect a 10 A fused jumper wire between the control circuit terminal listed below and the ignition voltage circuit terminal D.

* B52 HO2S 1 terminal E

* B52 HO2S 2 terminal C

6. Engine idling, observe the appropriate B52 HO2S Heater parameter. The scan tool should display 0.00 A.

锟斤拷If greater than the specified value, test the control circuit and the ignition voltage circuit for high resistance.

7. If all circuits test normal, test or replace the appropriate B52 HO2S.

Repair Instructions

Caution: Refer to Heated Oxygen Sensor Resistance Learn Reset Caution (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service Precautions/Heated Oxygen Sensor Resistance Learn Reset Caution).

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 1 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 1 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (1500 Series) (See: Powertrain Management/Computers and Control

Systems/Oxygen Sensor/Service and Repair)Heated Oxygen Sensor Replacement - Bank 2 Sensor 2 (2500 Series) (See: Powertrain

Management/Computers and Control Systems/Oxygen Sensor/Service and Repair)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for ECM replacement, setup, and programming

P0053

DTC P0030, P0036, P0050, P0053, P0054, P0056, P0059, P0060, P0135, P0141, P0155, or P0161

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC P0030

- HO2S Heater Control Circuit Bank 1 Sensor 1

DTC P0036

- HO2S Heater Control Circuit Bank 1 Sensor 2

DTC P0050

- HO2S Heater Control Circuit Bank 2 Sensor 1

DTC P0053

- HO2S Heater Resistance Bank 1 Sensor 1

DTC P0054

- HO2S Heater Resistance Bank 1 Sensor 2