Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Diagnostic Trouble Code (DTC) Information






Diagnostic trouble code (DTC) information

Condition




Diagnostic trouble code (DTC) ECC-311 is stored if the ECC control module detects that the power supply from the ECC control module to the temperature damper motor is not approximately 10V.

Possible source
- Short-circuit to supply voltage or ground in power supply to temperature damper motor.

Fault symptom[s]
- Driver fault warning. The LEDs beside the A/C and REC switches flash for approximately 20 seconds.
- Control module keeps the damper motor shut down for as long as the fault persists.