Possible Causes
ATTEMPT TO COMMUNICATE WITH THE PCM, BCM, & ATC
CHECK FOR HVAC RELATED DTCS IN THE PCM & BCM
MONITOR THE DRBIII® ACTIVE DTCS
CHECK FOR HVAC RELATED DTCS IN THE PCM
A/C SYSTEM TESTING
ATTEMPT TO COMMUNICATE WITH THE PCM, BCM, & ATC
CHECK FOR HVAC RELATED DTCS IN THE PCM & BCM
MONITOR THE DRBIII® ACTIVE DTCS
CHECK FOR HVAC RELATED DTCS IN THE PCM
A/C SYSTEM TESTING