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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 11, DTC B1681/P1260
12 B2103 P1260 Coil antenna malfunction 12, DTC B2103/P1260
13 B1600 P1260 The key ID number data cannot be read 13, DTC B1600/P1260
B2431 P1260 Key ID number registration error 13, DTC B2431/P1260
14 B1602 P1260 The keyless control module cannot read key ID number data normally 14, DTC B1602/P1260
15 B1601 P1260 The keyless control module has detected unregistered key ID number 15, DTC B1601/P1260
16 U2510 P1260 Communication error between the keyless control module and the PCM (mismatched conditions) 16, DTC U2510/P1260
21 B1213 P1260 Only one key ID number is registered 21, DTC B1213/P1260
22 B2141 P1260 Communication error between the keyless control module and the PCM (data transfer error) 22, DTC B2141/P1260
23 B2139 P1260 ID number data in the PCM and the keyless control module do not match 23, DTC B2139/P1260
Not illuminated B1342 - Keyless control module malfunction DTC B1342
(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.