P1640 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Engine control relay - no voltage to ECM pin 1 |
| Cause | Wiring, connectors, engine control relay |
| Notes |
Vehicle fitted with TRIONIC T5 |
Try also: https://www.obd-codes.com/p1640
