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Keyless Entry And Start System

IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM) DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Reference
B1681 No detected communication with the coil antenna SECURITY LIGHT 11, DTC B1681/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B2103
  • Coil antenna malfunction
  • The PCM determined a malfunction in the coil antenna even though it is normal
SECURITY LIGHT 12, DTC B2103/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B1600 The key ID number data cannot be read SECURITY LIGHT 13, DTC B1600/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B2431 Key ID number registration error SECURITY LIGHT 13, DTC B2431/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B1602 The instrument cluster cannot read key ID number data normally SECURITY LIGHT 14, DTC B1602/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B1601 The instrument cluster has detected unregistered key ID number SECURITY LIGHT 15, DTC B1601/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
U2510 Communication error between the instrument cluster and the PCM (no response) SECURITY LIGHT 16, DTC U2510/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B1213 Only one key ID number is registered SECURITY LIGHT 21, DTC B1213/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B2141 Communication error between the instrument cluster and the PCM (data transfer error) SECURITY LIGHT 22, DTC B2141/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B2139 ID number data in the PCM and the instrument cluster do not match SECURITY LIGHT 23, DTC B2139/P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
B1342 Instrument cluster malfunction DTC B1342 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]