For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptor
DTC P0897: Transmission Fluid LifeCircuit/System Description
Transmission fluid life is determined by monitoring transmission fluid temperature over a period of time. The transmission control module (TCM) calculates transmission fluid life based on a set of temperature ranges stored in TCM memory.
Conditions for Running the DTC
No TFT DTC P0712
Conditions for Setting the DTC
The calculated transmission oil life remaining is less than 10 percent.
Action Taken When the DTC Sets
DTC P0897 is a Type C DTC
Conditions for Clearing the DTC
DTC P0897 is a Type C DTC
Diagnostic Aids
| • | Improper transmission cooling system may cause transmission fluid to age rapidly. |
| • | A malfunctioning TFT sensor may cause transmission fluid to age rapidly. |
Reference Information
Schematic Reference
Automatic Transmission Controls Schematics
Connector End View Reference
Electrical Information Reference
DTC Type Reference
Scan Tool Reference
Control Module References for scan information.
Circuit/System Verification
Observe the DTC information with the scan tool. Verify that the DTC is not set.
| ⇒ | If DTC P0897 is set |
| • | Perform the Transmission Fluid Replacement procedure |
| • | Using a scan tool, reset the transmission oil life |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
