2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 161
* Circuit Testing (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Circuit
Testing/Circuit Testing)
* Connector Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic
Procedures/Connector Repairs/Connector Repairs)
* Testing for Intermittent Conditions and Poor Connections (See: Testing and Inspection/Component Tests and General Diagnostics/General
Electrical Diagnostic Procedures/Circuit Testing/Testing for Intermittent Conditions and Poor Connections)
* Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/General Electrical Diagnostic Procedures/Wiring
Repairs/Wiring Repairs)
Scan Tool Reference
Control Module References (See: Testing and Inspection/Programming and Relearning) for scan tool information
Circuit/System Verification
Replace the S3 Automatic Transmission Shift Lever and verify that the DTC does not reset.
If the DTC resets, replace the K9 Body Control Module.
Repair Instructions
Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.
* Automatic Transmission Range Selector Lever Replacement (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Shift
Linkage/Service and Repair) for MXE
* Automatic Transmission Range Selector Lever Replacement (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Shifter
A/T/Service and Repair/6T70/6T75 - Automatic Transmission/Automatic Transmission Range Selector Lever Replacement) for MH2, MH4
* Control Module References (See: Testing and Inspection/Programming and Relearning) for BCM replacement, setup and programming
B0074
DTC B0074
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 B0074 00
- Passenger Presence Sensor Circuit Malfunction
DTC B0074 04
- Passenger Presence Sensor Open
Circuit/System Description
The passenger presence module monitors the sensor status continually. Whenever the sensor mat has an internal malfunction, the passenger
presence module will set DTC B0074.
Conditions for Running the DTC
Ignition voltage is between 9-16 V.
Conditions for Setting the DTC
B0074 00
The passenger presence module has detected a disconnection from the sensor mat.
B0074 04
The passenger presence module has detected an open circuit.
