Possible Causes
| Possible Causes |
|---|
| (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| (C21) EVAPORATOR TEMPERATURE SENSOR SIGNAL OPEN |
| (C919) TEMPERATURE SENSOR COMMON RETURN CIRCUIT OPEN |
| EVAPORATOR TEMPERATURE SENSOR |
| HVAC MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to HVAC PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .