Felkodsregister · high
P1699
CAN ECM / A/CCM network malfunction
CAN ECM / A/CCM network malfunction
Documented for: 2.0L gasoline; 2.5L/3.0L gasoline · System(s): EMS EOBD, EMS OBD II · Factory MIL flag: 2
Common causes
- CAN open circuit fault – A/CCM to ECM CAN short circuit fault A/CCM failure ECM failure
- Communication malfunction between CAN data bus
- ECM
- and AC control module
- CAN Link ECM/Climate Control Module
Quick checks
- Confirm freeze-frame and conditions when the code set
- Inspect connectors, grounds, and harness for the circuit named in the code
- Check module power/grounds and bus wiring before condemning a module
Typical fixes
- Check wiring to AC module