P1666
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Manufacturer Specific Definitions for P1666
| Make | Fault Location |
|---|---|
| Audi | Injector 1 - current circuit |
| Buick | Driver 3 Line 6 |
| Cadillac | Driver 3 Line 6 |
| Chevrolet | Driver 3 Line 6 |
| Dodge | Engine control module (ECM) -engine shut-off control |
| Freightliner | Engine control module (ECM) -engine shut-off control |
| Gm | Driver 3 Line 6 |
| Land Rover | Immobilizer signal – CAN data bus |
| Mercedes-Benz | Cylinder cut-out solenoid, bank 1 or 2 – does not open |
| Volkswagen | Injector 1 - current circuit |
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