garajizOBD-II code · manufacturer-specific
P1636
Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1636 mean?
P1636 is defined as “Theft Deterrent Start Enable Signal Not Correct/ Main Relay Malfunction (Power Hold)”.
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: Data Bus Powertrain Missing Message From Airbag Control
- Ford, Lincoln, Mercury: Inductive Signature Chip Communication Error
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: PCM Stack Overrun
- BMW: Throttle Valve Control Circuit
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This page is general information; an exact diagnosis needs measurements and a technician’s check.