DTC P0602 [LF, L3]


DTC P0602	PCM programming error
DETECTION CONDITION	• No configuration data in the PCM Note • If the "PCM CONFIGURATION" is successful, the PCM stores DTC P0602 and illuminates the MIL (System i s normal). Clear DTC P0602 using the WDS or equivalent after the "PCM CONFIGURATION". • The MIL goes out after three drive cycles if there is no failure (DTCs remain in PCM).
POSSIBLE CAUSE	• Configuration has not been completed. • PCM malfunction


STEP	INSPECTION		ACTION
1	PERFORM DTC CONFIRMATION PROCEDURE • Perform the DTC CONFIRMATION PROCEDURE. (See DTC CONFIRMATION PROCEDURE [LF, L3].) • Is the same DTC present?	Yes	Perform the PCM configuration procedure, then go to the next step. (See PCM CONFIGURATION [LF, L3].)
1		No	Intermittent concern exists. Go to the INTERMITTENT CONCERN TROUBLESHOOTING procedure. (See INTERMITTENT CONCERN TROUBLESHOOTING [LF, L3].)
2	VERIFY TROUBLESHOOTING OF DTC P0602 COMPLETED • Make sure to reconnect all disconnected connectors. • Turn the ignition switch to the ON position (Engine off). • Clear the DTC from the PCM memory using the WDS or equivalent. • Perform the KOEO/KOER self-test. (See KOEO/KOER SELF-TEST [LF, L3].) • Is the same DTC present?	Yes	Replace the PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [LF, L3].)
2		No	Go to the next step.
3	VERIFY AFTER REPAIR PROCEDURE • Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE [LF, L3].) • Are any DTCs present?	Yes	Go to the applicable DTC troubleshooting. (See DTC TABLE [LF, L3].)
3		No	Troubleshooting completed.