DTC P161C

DTC P161C

Diagnostic Instructions

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Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.

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Review Strategy Based Diagnosis for an overview of the diagnostic approach.

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Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC Descriptor

DTC P161C 00

Tire Size Not Programmed

Circuit/System Description

This diagnostic addresses if the engine control module (ECM) is not programmed with the tire size.

Conditions for Running the DTC

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The ignition is ON.

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The DTC runs continuously once the above condition is met.

Conditions for Setting the DTC

The ECM detects that the tire size is not programmed in the EEPROM for more than 1 s.

Action Taken When the DTC Sets

DTC P161C is a Type A DTC.

Conditions for Clearing the DTC

DTC P161C is a Type A DTC.

Reference Information

Connector End View Reference

Component Connector End Views

Description and Operation

Engine Control Module Description

DTC Type Reference

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Testing

Program the ECM. If DTC P161C sets after programming, perform the following steps:

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Ensure that all tool connections are secure.

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Ensure the programming equipment is operating correctly.

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Ensure the correct software and the correct calibration is used.

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Attempt to program the K20 Engine Control Module.

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If DTC P161C sets, replace the K20 Engine Control Module.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for ECM replacement, setup, and programming