P1674
Tachometer Control Circuit.
- GM
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 6
- AreaComputer and output circuits
- 74
- FaultThe specific fault in that area
Guide
Writing the guide for P1674. The first open of a code takes up to a minute.