P280A

DTC P280A

Diagnostic Instructions
^ Perform the [Diagnostic System Check - Vehicle Diagnostic Information] prior to using this diagnostic procedure.
^ Review [Strategy Based Diagnosis] for an overview of the diagnostic approach. Strategy Based Diagnosis
^ [Diagnostic Procedure Instructions - Vehicle Diagnostic Information] provides an overview of each diagnostic category. Diagnostic Procedure Instructions - Vehicle Diagnostic Information

DTC Descriptor
DTC P280A Transmission Range (TR) Switch Circuit Not Learned

Circuit/System Description
This diagnostic addresses if the Gear Selector Neutral Position has not been learned.

Conditions for Running the DTC
Not in Service Mode

Conditions for Setting the DTC
Gear Selector Neutral Position has not been learned

Action Taken When the DTC Sets
^ DTC P280A is a Type A DTC.
^ Disable engine start

Conditions for Clearing the DTC
DTC P280A is a Type A DTC.

Diagnostic Aids
Improper shift cable adjustment may cause DTC P280A to set.

Reference Information
Schematic Reference
[Automatic Transmission Controls Schematics]
Connector End View Reference
[Component Connector End Views]
Electrical Information Reference
^ [Circuit Testing]
^ [Connector Repairs]
^ [Testing for Intermittent Conditions and Poor Connections]
^ [Wiring Repairs]
DTC Type Reference
^ [Diagnostic Trouble Code (DTC) Type Definitions]
^ [Diagnostic Trouble Code (DTC) List/Type]
Scan Tool Reference
[Control Module References] for scan tool information Programming and Relearning

Circuit/System Verification
1. Ignition ON, observe the DTC information with a scan tool.
2. Record Freeze Frame and Failure Records.
3. Clear DTCs.
4. Operate the vehicle under the conditions observed in the Failure Records.
5. Observe the DTC information with the scan tool. Verify that the DTC does not set.
> If DTC P280A is set, perform the [Transmission Adaptive Learn and Transmission
Neutral Learn].

Repair Instructions
Perform the [Diagnostic Repair Verification - Vehicle Diagnostic Information] after completing the diagnostic procedure.