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DTC P1622 [MZR-CD (RF Turbo)]

BME010200102291

DTC P1622 | Key ID number mismatch
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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
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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. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
No | Go to the next step.
5 | VERIFY AFTER REPAIR PROCEDURE • Perform "After Repair Procedure" (See AFTER REPAIR PROCEDURE [MZR-CD (RF Turbo)].) • Is there any DTC present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Troubleshooting completed.