Service Information

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DTC P160A

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

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

•	Diagnostic Procedure Instructions provides an overview of each diagnostic category.

DTC P160A 00: Vehicle Speed Limit Not Programmed

This diagnostic addresses if the ECM is not programmed with the speed limit.

•	The ignition is ON.

•	The DTC runs continuously once the above condition is met.

The ECM detects that the speed limit is not programmed in the EEPROM for greater than 1 s.

DTC P160A is a Type A DTC.

DTC P160A is a Type A DTC.

Program the ECM. If DTC P160A sets after programming, perform the following steps:

•	Ensure that all tool connections are secure.

•	Ensure the programming equipment is operating correctly.

•	Ensure the correct software and the correct calibration is used.

•	Attempt to program the K20 Engine Control Module.

⇒	If DTC P160A sets, replace the K20 Engine Control Module.

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for ECM replacement, setup, and programming