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B1242

DTC B1242 Wireless Door Lock Tuner Circuit Malfunction

DESCRIPTION

DTC Detection Condition:




This DTC is output when one of the following occurs: 1) short in RDA or RSSI ground between the certification ECU and the door control receiver or 2); short RDA or RSSI ground when RC0 (5 V) output from the ECU is off.

Wiring Diagram:






Step 1-2:




Step 3-5:




INSPECTION PROCEDURE