ECM and Immobilizer Programming


ECM Replacement

  • ECM Replacement | 2005 Mazda3, 2004-2006 Mazda6
    • DTCs:
      • ECM had P1260 Theft Found – Vehicle Immobilized,
      • IC had B2139 Passive Anti-Theft System (PATS) data mismatch
    • Couldn’t do Parameters Reset, said DTC detected or something.
    • Needed VIN change?
  • 📎 ECM Replacement | 2013 Mazda3
    • Note: try inserting key into programming slot on right side of steering column.
    • It gave me a code that PCM and Keyless are not married.
    • Then “Parameters Reset”. It gave me 2 outcodes and required 2 incodes. After Parameters Reset car started.
    • Tried changing VIN with FORScan and As Built Data with Autel. Then “Parameters Reset”. Autel gave me one outcode and expected one incode. After completed,  Security Light continued flashing.
    • When using MMP through subscription, did As Build.

➱ Immo Ring Testing


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