DTC P1602 [WL-C, WE-C]

id0102b9838100

DTC P1602

Immobilizer/PCM communication error

DETECTION CONDITION

• PCM internal malfunction

POSSIBLE CAUSE

• PCM malfunction

DTC P1602	Immobilizer/PCM communication error
DETECTION CONDITION	• PCM internal malfunction
POSSIBLE CAUSE	• PCM malfunction

Diagnostic procedure

STEP	INSPECTION		ACTION
1	—		Replace PCM, then go to the next step. (See PCM REMOVAL/INSTALLATION [WL-C, WE-C].)
2	VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure“. (See AFTER REPAIR PROCEDURE [WL-C, WE-C].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [WL-C, WE-C].)
2		No	Troubleshooting completed.