CUSTOMER CONCERN The air conditioning is inoperative and DTC B14AC returns even after replacement of the heat-pump ECU. CAUSE The No. 2 high-pressure magnetic-valve circuit had a broken wire behind the front bumper. CORRECTION Repair the broken No. 2 high-pressure magnetic-valve wire behind the bumper, clear DTC B14AC, and verify normal heat-pump air-conditioning operation.

CUSTOMER CONCERN Customer states the air conditioning does not operate. DTC B1476 is stored. CAUSE High-voltage compressor testing confirmed an internal short in the electric air-conditioning compressor. CORRECTION Remove and replace electric air-conditioning compressor. Evacuate and recharge the refrigerant system, clear DTC B1476 and verify cooling operation.