Index Chrysler Chrysler TOWN & COUNTRY, VOYAGER, Dodge Caravan - service repair manual 2001-2007 year
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Symptom: TX FAILURE (ACTIVE) - MTC When Monitored and Set Condition: TX FAILURE (ACTIVE) - MTC When Monitored: When the ignition is on. Set Condition: This DTC will set if the A/C - Heater Control Module is unable to send a message. POSSIBLE CAUSES ATTEMPT TO COMMUNICATE WITH THE HVAC MODULE ADDITIONAL CODE(S) PRESENT ATTEMPT TO COMMUNICATE WITH THE PCM/ECM, BCM, AND FCM A/C - HEATER CONTROL MODULE TEST ACTION APPLICABILITY 1 Turn the ignition on. t, attempt to communicate with the HVAC Module. Was the DRBIII t able to I/D or communicate with the HVAC Module? All Yes → Go To 2 No → Refer to Communication for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. 2 Turn the ignition on. t, read HVAC DTCs. Does the DRBIII t display any additional HVAC DTCs? All Yes → Return to the symptom list and choose the symptom(s). Perform BODY VERIFICATION TEST - VER 1. No → Go To 3 3 Turn the ignition on. t, attempt to communicate with the PCM/ECM. With the DRBIII t, attempt to communicate with the BCM. With the DRBIII t, attempt to communicate with the FCM. Was the DRBIII t able to I/D or communicate with the PCM/ECM, BCM and FCM? All Yes → Go To 4 No → Refer to Communication for the related symptom(s). Perform BODY VERIFICATION TEST - VER 1. 556 HEATING & A/C |