garajizOBD-II code · manufacturer-specific
P1641
Inductive Signature Chip Communication Error
- System
- P1 — Powertrain (manufacturer-specific)
- Severity
- Minor (2/5)
- Can I keep driving?
- Usually safe to drive
What does P1641 mean?
P1641 is defined as “Inductive Signature Chip Communication Error”.
You can usually keep driving, but have it checked soon so a small fault doesn’t become a bigger one.
Manufacturer-specific meanings
The same code can mean something different on some makes.
- Volkswagen: Check DTC Memory Of Air Condition ECU
- Buick, Cadillac, Chevrolet, GM, GMC, Oldsmobile, Saturn: FC Relay 1 Control Circuit
- Jaguar: Fuel Pump Primary Circuit
- Ford, Lincoln, Mercury: Fuel Pump Primary Circuit Failure
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This page is general information; an exact diagnosis needs measurements and a technician’s check.