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VIN RX FAILURE (CONTINUED) 3. VERIFY THAT THE PCM OR ECM IS BROADCASTING THE MESSAGE ON THE PCI BUS With the DRBIII T in HVAC, select Monitor Display and then select PCI Bus Messages. From the list, select VIN Message Present. Does the DRBIII T display NO or NO RESPONSE after this message? Yes (Gasoline Engines) Perform the *No Response From PCM (PCI Bus) diagnostic procedure. (Refer to 8 - ELECTRICAL/ Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL Yes (Diesel Engines) Perform the *No Response From ECM (PCI Bus) diagnostic procedure. (Refer to 8 - ELECTRICAL/ Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 24 - 120 HVAC - ELECTRICAL DIAGNOSTICS DR/DH |