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Immobilizer System - Keyless Entry System

DTC CHART - IMMOBILIZER SYSTEM - KEYLESS ENTRY SYSTEM

DTC Description Action
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 81600.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, U1147.P1260 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]
U1147 Communication error between the instrument cluster and the PCM (mismatched conditions)
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)]