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TEST ACTION APPLICABILITY 1 Turn the ignition on. t, read HVAC DTCs. Does the DRBIII t display additional HVAC DTCs? All Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 2 2 Turn the ignition on. t, check the PCM for any DTCs. Are any DTCs present? All Yes → Refer to the Powertrain Diagnostic Information. Perform BODY VERIFICATION TEST - VER 1. No → Go To 3 3 Turn the ignition on. 9A/C Hi Side Press: XX,9 9Veh Spd: XX,9 9Eng RPM: XX, 9 9Coolant Temp: XX,9 9Batt Volts: XX,9 9Batt Temp: XX,9 9VIN Msg Pres: YES9). Does the DRB display NO RESPONSE after the applicable message? All Yes → Refer to symptom *No Response From PCM (PCI Bus) in the Communication category. No → Replace the A/C - Heater Control Module in accordance with the Service Information. 389 HEATING & A/C ENGINE GAUGE RX FAILURE (ACTIVE) — Continued |