DTC P0602 [L8, LF]

id0102b1809200

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 is normal). Clear DTC P0602 using the M-MDS after the "PCM CONFIGURATION".
• The MIL goes out after three drive cycles with no failure (DTCs remain in PCM).
Diagnostic support note
• This is a continuous monitor (CCM).
• The MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle.
• PENDING CODE is available if the PCM detects the above malfunction condition.
• FREEZE FRAME DATA is available.
• The DTC is stored in the PCM memory.

POSSIBLE CAUSE

• Configuration has not been completed
• PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Have FREEZE FRAME DATA been recorded?
Yes
Go to the next step.
No
Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Verify related Service Information availability.
• Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
3
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 M-MDS.
• Perform the A/F sensor heater, HO2S heater, A/F sensor, HO2S, and TWC Repair Verification Drive Mode.
• Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
No
Go to the next step.
4
VERIFY AFTER REPAIR PROCEDURE
• Perform the "AFTER REPAIR PROCEDURE".
• Is any DTC present?
Yes
Go to the applicable DTC troubleshooting.
No
Troubleshooting completed.