garajizOBD-II code · manufacturer-specific
P1633
Module Ignition Supply Input Malfunction
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1633 mean?
P1633 is defined as “Module Ignition Supply Input Malfunction”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Volkswagen: Accelerator Pedal Position Sensor 2 Signal Too Low
- Kia: Battery Overcharge
- Mazda: Battery Overcharge Fault
- Kia: Battery Voltage Overcharging
- Toyota: ECM
- Lexus: ECM Malfunction ETCS Circuit
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: Ignition Supply Power Circuit Low Voltage
- Citroen, Diğer, Peugeot: KAM Voltage Too Low
- BMW: Throttle Valve Adaptation Limp Home Position
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This page is general information; an exact diagnosis needs measurements and a technician’s check.