2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2224
P0668
DTC P0668 has not failed this ignition cycle.
P0669
* The transmission OSS parameter is greater than 200 RPM for greater than 200 seconds.
* DTC P0669 has not failed this ignition cycle.
Conditions for Setting the DTC
P0667 - Fail Case 1
* Vehicle speed is greater than 8 km/h (5 mph) for 200 seconds cumulative.
* The TCM Temperature parameter is between -50 and +21掳C (-58 and +70掳F).
* The TCM Temperature parameter has changed by less than 2.0掳C (3.6掳F) in 100 seconds.
* The Trans. Fluid Temp. parameter is greater than 70掳C (158掳F).
* The TFT has increased by 55掳C (99掳F) since startup.
P0667 - Fail Case 2
* Vehicle speed is greater than 8 km/h (5 mph) for 200 seconds cumulative.
* The TCM temperature parameter is between 120-150掳C (248-302掳F).
* The TCM temperature parameter has changed by less than 2.0掳C (3.6掳F) in 100 seconds.
* The Trans. Fluid Temp. parameter is greater than 70掳C (158掳F).
* The Trans. Fluid Temp. parameter has increased by 55掳C (99掳F) since startup.
P0667 - Fail Case 3
The TCM temperature parameter changes by greater than or equal to 20掳C (36掳F) 14 times over 7 seconds.
P0668
The TCM temperature is parameter greater than or equal to 161掳C (321掳F) for greater than 10 seconds.
P0669
The TCM temperature parameter is less than or equal to -61掳C (-77掳F) for greater than 10 seconds.
Action Taken When the DTC Sets
DTCs P0667, P0668, and P0669 are Type B DTCs.
Conditions for Clearing the DTC
DTCs P0667, P0668, and P0669 are Type B DTCs.
Diagnostic Aids
This DTC may be set due to an overheating condition. The system is operating normally when the Trans. Fluid Temp. parameter is within 10掳C (18
掳F) of the TCM temperature parameter.
Reference Information
Schematic Reference
Automatic Transmission Controls Schematics (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Diagrams)
Connector End View Reference
Component Connector End Views (See: Diagrams/Connector Views)
Electrical Information Reference
* 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)
