P0897

DTC P0897

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (Initial Inspection and Diagnostic Overview) prior to using this diagnostic procedure.
* Review Strategy Based Diagnosis (Initial Inspection and Diagnostic Overview) for an overview of the diagnostic approach.
* Diagnostic Procedure Instructions (Initial Inspection and Diagnostic Overview) provides an overview of each diagnostic category.

DTC Descriptor
DTC P0897
- Transmission Fluid Life

Circuit/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. As the vehicle is driven, a counter increments. The rate at which the counter increments, depends on the temperature range in which the transmission is currently operating. The higher the temperature range, the faster the counter increments. As the counts increment, the TCM will begin to decrease the fluid life percentage from 100, high fluid life, to 0, low fluid life.

Conditions for Running the DTC

* No Transmission Fluid Overtemperature DTC P0218.
* No TFT DTCs P0711, P0712, or P0713.

Conditions for Setting the DTC

The calculated transmission oil life remaining is 10 percent or less.

Action Taken When the DTC Sets

* DTC P0897 is a Type C DTC.
* CHANGE TRANSMISSION FLUID displays on the driver information center (DIC).

Conditions for Clearing the DTC

DTC P0897 is a Type C DTC.

Diagnostic Aids

Inspect the transmission cooling system for possible blockage and restrictions.

Reference Information
Schematic Reference

Automatic Transmission Controls Schematics (Electrical Diagrams)
Connector End View Reference

Component Connector End Views (Connector Views)
Description and Operation

Transmission General Description (Transmission General Description)
Electrical Information Reference

* Circuit Testing (Component Tests and General Diagnostics)
* Connector Repairs (Component Tests and General Diagnostics)
* Testing for Intermittent Conditions and Poor Connections (Component Tests and General Diagnostics)
* Wiring Repairs (Component Tests and General Diagnostics)

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions (Diagnostic Trouble Code Descriptions)
Scan Tool Reference

Transmission Control Module Scan Tool Information (Transmission Control Module Scan Tool Information)

Circuit/System Testing

1. Replace the transmission fluid and filter.
2. Use the scan tool in order to reset the transmission oil life.
3. Ensure the transmission oil life monitor displays 99 percent or greater.

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the repair.

Automatic Transmission Fluid and Filter Replacement (Removal and Replacement)