garajizOBD-II code · manufacturer-specific
P1628
Immobilizer Code Word/ID Number Write Failure
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- High (4/5)
- Can I keep driving?
- Stop driving
What does P1628 mean?
P1628 is defined as “Immobilizer Code Word/ID Number Write Failure”.
Stop when it is safe and don’t drive on; have the car towed to a shop.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Volkswagen: Data Bus Powertrain Missing Message From Distance Control
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: ECT Pull-Up Resistor
- Citroen, Diğer, Peugeot: Module Ignition Supply Input Malfunction
- Mazda: Powertrain Control Module ECM TCS Any Line Communication Error
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This page is general information; an exact diagnosis needs measurements and a technician’s check.