DTC P1622 [MZR-CD (RF Turbo)]


BME010200102291

DTC P1622

Key ID number mismatch

DETECTION CONDITION

• ID numbers stored in immobilizer unit and PCM do not match. This DTC is indicated only after immobilizer unit is replaced and system is reprogrammed.

POSSIBLE CAUSE

• Transformation of key ID number stored in PCM

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY RELATED REPAIR INFORMATION AVAILABILITY
• Check for related Service Information availability.
• Is any repair information available?
Yes
Perform repair or diagnosis according to available Service Information.
• If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
VERIFY DTC P1622 DETECTED AGAIN
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 4.
3
CHECK IF ENGINE STARTS NORMALLY USING ANOTHER REGISTERED KEY
• Does the engine start with another registered key?
Yes
The previous key is defective. Discard it.
No
Go to the next step.
4
VERIFY TROUBLESHOOTING OF DTC P1603 COMPLETED
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Start the engine.
• Is the same DTC present?
Yes
Replace the PCM, go to the next step.
No
Go to the next step.
5
VERIFY AFTER REPAIR PROCEDURE
• Perform "After Repair Procedure"
• Is there any DTC present?
Yes
Go to the applicable DTC inspection.
No
Troubleshooting completed.