garajizOBD-II code · manufacturer-specific
P1621
SBDS Interactive Codes
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P1621 mean?
P1621 is defined as “SBDS Interactive Codes”.
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.
- Citroen, Diğer, Peugeot: Control Module Long Term Memory Performance/ Immobilizer Code Words Do Not Match
- Volkswagen: Engine Coolant Temperature Signal Short To Ground
- Mazda: Immobilizer System Fault
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: PCM Memory Performance
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This page is general information; an exact diagnosis needs measurements and a technician’s check.