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Diagnostic Trouble Code Chart

TRANSPONDER KEY ECU DIAGNOSTIC TROUBLE CODE CHART 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
B2780  Push Switch/Key Unlock Warning Switch Malfunction
  1. Unlock warning switch assembly
  2. Wire harness
  3. Transponder key ECU assembly
B2784  Antenna Coil Open/Short
  1. Transponder key amplifier
  2. Wire harness
  3. Transponder key ECU assembly
B2793  Transponder Chip Malfunction Key
B2794  Unmatched Encryption Code Key
B2795  Unmatched Key Code Key
B2796  No Communication in Immobiliser System
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly
B2797  Communication Malfunction No 1
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly
B2798  Communication Malfunction No 2
  1. Key
  2. Transponder key amplifier
  3. Wire harness
  4. Transponder key ECU assembly

ECM DIAGNOSTIC TROUBLE CODE CHART 

ECM DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
B2799  Engine Immobiliser System Malfunction
  1. Wire harness
  2. Transponder key ECU assembly
  3. ECM
B279A  Theft Deterrent System Communication Line High Fixation
  1. Wire harness
  2. Transponder key ECU assembly
  3. ECM
B279C  Theft Deterrent System Presence Detection ECM
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