P0645 - A/C Clutch Relay Control Circuit
P0645 is a generic powertrain diagnostic trouble code indicating A/C Clutch Relay Control Circuit. It relates to the Computer Output Circuit (PCM/ECU) system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Computer Output Circuit (PCM/ECU) |
| Fault Index | 45 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P0645 mean?
The dtc/">diagnostic trouble code P0645 represents A/C Clutch Relay Control Circuit. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
Detailed diagnostic guides and specific fix procedures for code P0645 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P0645
What does P0645 mean?
The diagnostic trouble code P0645 represents A/C Clutch Relay Control Circuit. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P0645?
The P0645 code is located in the vehicle's Powertrain network.