P161A

DTC P161A

Diagnostic Instructions

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

DTC Descriptor
DTC P161A
- Glow Plug Control Module Not Programmed

Circuit/System Description

This diagnostic addresses if the glow plug control module (GPCM) is not programmed.

Conditions for Running the DTC

DTC P161A runs continuously when the ignition is ON.

Conditions for Setting the DTC

The glow plug control module (GPCM) is not programmed.

Action Taken When the DTC Sets

DTC P161A is a Type B DTC.

Conditions for Clearing the MIL/DTC

DTC P161A is a Type B DTC.

Reference Information
DTC Type Reference

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

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

Circuit/System Verification

Observe the DTC information with a scan tool. DTC P161A should not set.

If DTC P161A set this ignition, program the K34 glow plug control module (GPCM). Refer to Control Module References (Programming and Relearning). If DTC P161A resets replace the K34 GPCM.

Repair Instructions

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

Control Module References (Programming and Relearning)for GPCM replacement, setup, and programming