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DTC P1603 [AJ]

BME010201600202

DTC P1603 | Code word is not registered in PCM
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DETECTION CONDITION | • Code word is not registered in PCM.
POSSIBLE CAUSE | • Immobilizer system reprogram procedure (code word) was not performed after replacing PCM.

Diagnostic procedure

STEP | INSPECTION | ACTION
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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 P1603 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 | Perform code word reprogram procedure.
No | Go to the next step.
3 | VERIFY TROUBLESHOOTING OF DTC P1603 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.
4 | VERIFY AFTER REPAIR PROCEDURE • Perform "After Repair Procedure". (See AFTER REPAIR PROCEDURE [AJ].) • Is there any DTC present? | Yes | Go to the applicable DTC inspection. (See DTC TABLE [AJ] (VIN: JMZ LW19J7*# 300001-, JM0 LW10J300 300001-301405, JM6 LW10J300 300001-, JM8 LW28J**# 300001-301513).) (See DTC TABLE [AJ] (VIN: JM0 LW10J300 301406-, JMZ LW69J7*# 307683-, JM8 LW28J**# 301514-, JM8 LW28A**# 301514- (Assumed)).)
No | Troubleshooting completed.