P1646
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Manufacturer Specific Definitions for P1646
| Make | Fault Location |
|---|---|
| Acura | Sensor Supply Voltage Circuit 'C' Malfunction |
| Buick | Supercharger (SC) control valve solenoidcircuit malfunction |
| Cadillac | Evaporative emission (EVAP) canister purge valve-circuit malfunction |
| Chevrolet | EVAP Vent Solenoid Output Circuit |
| Dodge | Vehicle Theft System Improper Password |
| Ford | Linear O2 Sensor Control Chip Bank 1 |
| Gm | EVAP Vent Solenoid Output Circuit |
| Honda | Motor control module (MCM) – signal malfunction |
| Hyundai | Booster Voltage-too High |
| Isuzu | Sensor supply voltage – circuit C malfunction |
| Jaguar | Fuel pump relay 2 - malfunction |
| Jeep | Engine coolant hydraulic blower motor solenoid/circuit high -circuit malfunction |
| Lincoln | Linear O2 Sensor Control Chip Bank 1 |
| Mercury | Engine control module (ECM) -linear oxygen sensor (02S) control, bank 1 |
| Oldsmobile | Evaporative emission (EVAP) canister purge valve -circuit malfunction |
| Pontiac | Supercharger (SC) bypass valve, control signal -circuit malfunction |
| Renault | Heater relay control 3 |
| Suzuki | Immobilizer information mismatched |
| Volvo | AIC relay – signal low |
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