DTC P1622 [AJ]

BME010201600205

DTC P1622

Key ID number does not match

DETECTION CONDITION

• ID number stored in immobilizer control module (IU) and PCM does not match. This DTC is indicated only after immobilizer control module is replaced and reprogramming system.

POSSIBLE CAUSE

• Transformation of key ID number stored in PCM.

Diagnostic procedure

STEP

INSPECTION

ACTION

1
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for related Service Information availability.
• Is any related Service Information available?
Yes
Perform repair or diagnosis according to available Service Information.
• If 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.
• Turn the ignition switch off, then start engine.
• Is the same DTC present?
Yes
Go to the next step.
No
Go to Step 4.
3
CHECK ENGINE IS STARTING NORMALLY USING ANOTHER REGISTERED KEY
• Does engine start with another registered key?
Yes
Previous key is defective. Discard it.
No
Go to the next step.
4
VERIFY TROUBLESHOOTING OF DTC P1622 COMPLETED
• Clear the DTC from the PCM memory using the WDS or equivalent.
• Turn the ignition switch off, then start engine.
• Is the same DTC present?
Yes
Replace the PCM, then 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.