P1620 OBD Trouble Code
1 result found
| Type | Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled |
|---|---|
| Description | Low Engine Coolant Circuit Conditions |
| Cause | Engine running, then the PCM detected that the Engine Coolant Switch signal was low (indicating an open circuit) for 20 seconds |
Try also: https://www.obd-codes.com/p1620
