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DTC P1603 [MZR-CD (RF Turbo)]

BME010201600W09

DTC P1603 | Key ID number unregistered in PCM
--- | ---
DETECTION CONDITION | • Key ID numbers are not registered in PCM.
POSSIBLE CAUSE | • Immobilizer system reprogram procedure (key IDs) was not performed after replacing 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 vehicle is not repaired, go to next step.
No | Go to next step.
2 | VERIFY DTC P1603 DETECTED AGAIN • Clear DTC from PCM memory using WDS or equivalent. • Start engine. • Is same DTC present? | Yes | Perform key ID number reprogram procedure.
No | Go to next step.
3 | VERIFY TROUBLESHOOTING OF DTC P1603 COMPLETED • Clear DTC from PCM memory using WDS or equivalent. • Start engine. • Is same DTC present? | Yes | Replace PCM, go to next step. (See PCM REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].)
No | Go to next step.
4 | VERIFY AFTER REPAIR PROCEDURE • Perform "After Repair Procedure". (See AFTER REPAIR PROCEDURE [MZR-CD (RF Turbo)].) • Is there any DTC present? | Yes | Go to applicable DTC inspection. (See DTC TABLE [MZR-CD (RF Turbo)].)
No | Troubleshooting completed.