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Vehicle Only Starts In Prox Mode Immobilizer b13D3 97 Code
Posted to Technical Discussion Forum on 9/2/2026 7 Replies

Got a good one here, hopefully I'm missing something simple.

Car came to me that it will start only when pushing the key against the start button. Found code P1260 in ECM for theft detected and b13d3 97 for transmitter fault. The immobilizer functions are loc... Login to read more.

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car Vehicle Data

2020 Mazda 3 2.5L

VIN 3MZBPBCM3L
Engine2.5 L
Trans6-speed Automatic (Electronic)

car Vehicle Data

2020 Mazda 3 2.5L

VIN 3MZBPBCM3L
Engine2.5 L
Trans6-speed Automatic (Electronic)