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DTC P0602-P0606, P0610, P0614, P0630, P06D1, P160D, P160E, P161C, or P2610 (ECM, LAU/LBW)

DTC P0602-P0606, P0610, P0614, P0630, P06D1, P160D, P160E, P161C, or P2610 (ECM, LAU/LBW)

Diagnostic Instructions


• 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 Descriptors

DTC P0602

Control Module Not Programmed

DTC P0603

Control Module Long Term Memory Reset

DTC P0604

Control Module Random Access Memory Performance

DTC P0605

Control Module Programming Read Only Memory Performance

DTC P0606

Control Module Processor Performance

DTC P0610

Control Module Vehicle Options Incorrect

DTC P0614

Engine Control Module/Transmission Control Module Programming Not Plausible

DTC P0630

VIN Not Programmed or Mismatched - Engine Control Module (ECM)

DTC P06D1

Control Module Ignition Coil System Circuitry Performance

DTC P160D

Incorrect Engine Calibration Detected

DTC P160E

Engine Calibration Monitoring Not Programmed

DTC P161C

Tire Size Not Programmed

DTC P2610

Control Module Ignition Off Timer Performance

Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM). This diagnostic also addresses if the ECM is not programmed or is programmed incorrectly.

Conditions for Running the DTC

P0602, P0603, P0604, P0605, P0606, P0610, P0614, P0630, P160D, P160E, P161C, P2610

These DTCs run continuously when the ignition is ON.


P06D1

• The engine is running.

• The engine speed is less than 5,000 RPM.

• The battery voltage is between 10-18 V.

• DTC P06D1 runs continuously when the above conditions are met.


Conditions for Setting the DTC

The ECM detects an internal failure or incomplete or incorrect programming.

Action Taken When the DTC Sets


• DTCs P0602, P0603, P0604, P0605, P0606, P0610, P0614, P0630, P160D, and P160E are Type A DTCs.

• DTCs P061D and P2610 are Type B DTCs.

• DTC P161C is a Type C DTC.


Conditions for Clearing the DTC


• DTCs P0602, P0603, P0604, P0605, P0606, P0610, P0614, P0630, P160D, and P160E are Type A DTCs.

• DTCs P061D and P2610 are Type B DTCs.

• DTC P161C is a Type C DTC.


Diagnostic Aids

Verify that the battery cables are clean and tight, and the battery is fully charged. Refer to Battery Inspection/Test .

Reference Information

Schematic Reference

Engine 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

Powertrain Diagnostic Trouble Code (DTC) Type Definitions

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification


1. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.

2. DTC P0602, P0603, P0604, P0605, P0606, P0610, P0614, P0630, P06D1, P160D, P160E, P161C, or P2610 should not reset.


Circuit/System Testing


1. Test the voltage and ground inputs to the K20 ECM for the following:

• A short

• An open

• High Resistance

2. Ignition ON, observe the DTC information with a scan tool.

3. If diagnostic trouble codes P0602, P0610, P0614, P0630, P160D P160E or P161C failed this ignition cycle, ECM K20 must be reprogrammed. If the diagnostic trouble codes are activated again, replace the ECM K20.

4. If DTC P0606 failed this ignition, clear the DTCs with a scan tool and verify the DTC does not reset. If the DTC resets, replace the K20 ECM.

5. Observe the DTC Info with a scan tool. Diagnostic trouble codes P0603, P0604, P0605, P06D1 or P2610 must not be generated.

6. If a DTC failed this ignition, replace the K20 ECM.

7. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.


Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Control Module References for Engine Control Module replacement, setup, and programming