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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Wireless Door Lock Control System - Diagnosis >> Diagnostic Trouble Code Chart

Diagnostic Trouble Code Chart

If a malfunction code is displayed during the DTC check, check the circuit listed for that code in DIAGNOSTIC TROUBLE CODE CHART  (Proceed to the Service Category given for that circuit).

DIAGNOSTIC TROUBLE CODE CHART

DTC No. (Refer To) Detection Item Trouble Area
B1242 (DTC B1242 WIRELESS DOOR LOCK TUNER CIRCUIT MALFUNCTION  ) Wireless Door Lock Tuner Circuit Malfunction
  • Wire harness
  • Door control receiver
  • Multiplex network body ECU