P280A

DTC P280A

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 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. Refer to the Shift Control Cable Adjustment (Adjustments) procedure.

Reference Information
Schematic Reference

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

* Electrical Center Identification Views (Application and ID)
* Component Connector End Views (Connector Views)
* Splice Pack Connector End Views (Connector Views)
* Inline Harness Connector End Views (Connector Views)

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)
* Diagnostic Trouble Code (DTC) List - Vehicle (Diagnostic Trouble Code Descriptions)

Scan Tool Reference

Control Module References (Programming and Relearning)for scan information.

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 (AF33-5 Automatic Transaxle) procedure.

Repair Instructions

Perform the Diagnostic Repair Verification (Verification Tests) after completing the diagnostic procedure.