2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2228

2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 2228

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)