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Diagnostic Trouble Code Chart

HINT:

If a trouble code is indicated during the DTC check, check the circuit listed for that code in the table below. Then proceed to the appropriate article.

Power door lock control system: 

DTC CHART

DTC No. Detection Item Trouble Area
B1242  Wireless Door Lock Tuner Circuit Malfunction
  1. Electrical key antenna
  2. Door control receiver
  3. Wire harness
  4. Certification ECU