TEST ACTION APPLICABILITY
4 Turn the ignition on.
With the DRBIIIt, erase HVAC DTCs.
Cycle the ignition switch and wait approximately 1 minute.
With the DRBIIIt, read HVAC DTC’s.
Did this DTC reset?
All
Yes → Replace the A/C - Heater Control Module in accordance with the
Service Information.
Perform BODY VERIFICATION TEST - VER 1.
No → Using the wiring diagram/schematic as a guide, inspect the
wiring and connectors to help isolate a possible intermittent
wiring condition.
Perform BODY VERIFICATION TEST - VER 1.
225
HEATING & A/C
TX FAILURE (ACTIVE) — Continued
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