P1678
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Manufacturer Specific Definitions for P1678
| Make | Fault Location |
|---|---|
| Acura | ABS/TCS control module - communication malfunction |
| Audi | ETS warning lamp - short to ground |
| Bmw | Cold start idle air control (lAC) system – RPM lower then expected |
| Buick | Immobilizer Powertrain Identification Failed |
| Cadillac | ECM -in~ernal circuit malfunction, heated oxygen sensor (H02S) 1, bank 2 |
| Chevrolet | Immobilizer Powertrain Identification Failed |
| Gm | Immobilizer Powertrain Identification Failed |
| Honda | ABS/TCS control module – communication malfunction |
| Hyundai | Cooling Fan Control 2 Circuit High |
| Pontiac | Immobilizer Powertrain Identification Failed |
| Saab | Invalid ECM program |
| Saturn | Immobilizer Powertrain Identification Failed |
| Volkswagen | ETS warning lamp - short to ground |
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