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Immobilizer System (With Advanced Keyless Entry System And Keyless Start System) Diagnostic Trouble Codes

IMMOBILIZER SYSTEM (WITH ADVANCED KEYLESS ENTRY SYSTEM AND KEYLESS START SYSTEM) DIAGNOSTIC TROUBLE CODES

DTC Description Reference
Security light flash pattern M-MDS display(1)
Keyless control module PCM
11 B1681 P1260 No detected communication with the coil antenna SECURITY LIGHT 11, DTC B1681/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
12 B2103 P1260 Coil antenna malfunction SECURITY LIGHT 12, DTC B2103/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
13 B1600 P1260 The key ID number data cannot be read SECURITY LIGHT 13, DTC B1600/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
B2431 P1260 Key ID number registration error SECURITY LIGHT 13, DTC B2431/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
14 B1602 P1260 The keyless control module cannot read key ID number data normally SECURITY LIGHT 14, DTC B1602/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
15 B1601 P1260 The keyless control module has detected unregistered key ID number SECURITY LIGHT 15, DTC B1601/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
16 U2510 P1260 Communication error between the keyless control module and the PCM (mismatched conditions) SECURITY LIGHT 16, DTC U2510/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
21 B1213 P1260 Only one key ID number is registered SECURITY LIGHT 21, DTC B1213/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
22 B2141 P1260 Communication error between the keyless control module and the PCM (data transfer error) SECURITY LIGHT 22, DTC B2141/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
23 B2139 P1260 ID number data in the PCM and the keyless control module do not match SECURITY LIGHT 23, DTC B2139/P1260 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
Not illuminated B1342 - Keyless control module malfunction DTC B1342 [IMMOBILIZER SYSTEM (ADVANCED KEYLESS ENTRY AND START SYSTEM)]
(1) The letters at the beginning of each DTC are only displayed when using the M-MDS, and refer to the following: B=Body system, P=Powertrain system, U=Network communication system.
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