Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the U1113 code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The A/C Pressure Transducer signal is a direct input to the Totally Integrated Power Module (TIPM). The TIPM busses the A/C pressure signal over the Controlled Area Network (CAN) bus the Powertrain Control Module (PCM). The Diagnostic Trouble Code (DTC) sets when the PCM doesn't receive the A/C Pressure signal over the CAN C bus from the Body Control Module (BCM). The circuit is continuously monitored. One Trip fault.
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