2010 Cadillac Truck Escalade/ESV RWD V8-6.2L Page 1601
Conditions for Setting the DTC
P06AC - Condition 1
* Vehicle speed is greater than 8 km/h (5 mph) for 5 minutes.
* TCC slip speed is greater than 150 RPM for 5 minutes.
* The TCM power up temperature is between -40 and +150掳C (-40 and +302掳F).
* The TCM power up temperature has changed by less than 2掳C (3.6掳F) in 100 seconds.
* The transmission fluid temperature (TFT) is 70掳C (158掳F) or greater.
* The TFT has increased by 55掳C (99掳F) since startup.
Condition 2
* Vehicle speed is 8 km/h (5 mph) or greater for 300 seconds cumulative.
* TCC slip speed is greater than 120 RPM for 300 seconds cumulative.
* The TCM temperature sensor is between 120-150掳C (248-302掳F).
* The TCM power up temperature has changed by less than 2掳C (3.6掳F) in 2 minutes.
* The TFT is 70掳C (158掳F) or greater.
* The TFT has increased by 55掳C (99掳F) since startup.
Condition 3
The TCM power up temperature changes by 20掳C (36掳F) or greater 5 times over 7 seconds.
P06AD
* The TCM power up temperature is -59掳C (-74掳F) or less for 13 seconds or greater.
* The TFT is 140掳C (284掳F) or greater for 60 seconds or more.
P06AE
The TCM power up temperature is 164掳C (327掳F) or greater for 10 seconds or more.
Action Taken When the DTC Sets
* DTCs P06AC, P06AD, and P06AE are Type C DTCs.
* The TCM allows the vehicle to operate in transmission protection mode.
Conditions for Clearing the DTC
DTCs P06AC, P06AD, and P06AE are Type C DTCs.
Diagnostic Aids
During a road test, the TCM Power-Up temperature should steadily increase to a normal operating temperature, and then stabilize.
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)
Description and Operation
Electronic Component Description (See: Transmission and Drivetrain/Automatic Transmission/Transaxle/Description and
Operation/6L45/6L50/6L80/6L90 - Automatic Transmission/Electronic Component Description)
DTC Type Reference
Powertrain Diagnostic Trouble Code (DTC) Type Definitions (See: Diagnostic Trouble Code Descriptions/Powertrain Diagnostic Trouble Code
(DTC) Type Definitions)
