U240A GMC - Transmission Range Control Module Chassis Expansion CAN Bus Off
U240A GMC Possible Causes
- Faulty Transmission Range Control Module
- Transmission Range Control Module harness is open or shorted
- Transmission Range Control Module circuit poor electrical connection
How is the U240A GMC code repair?Start by checking 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's pins.
What is the cost to diagnose the U240A GMC code
Labor: 1.0The cost to diagnose the U240A GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
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- Engine Light ON (or Service Engine Soon Warning Light)
U240A GMC MeaningThe chassis high-speed General Motors Local Area Network (GMLAN)serial data circuits are serial data buses used to communicate information between the devices. The chassis high speed GMLAN serial data circuits also connect directly to the X84 Data Link Connector (DLC) for programming purposes. If this serial data system is inoperative, the devices will still communicate with the scan tool due to other serial data systems but not with each other. The device setting the Diagnostic Trouble Code (DTC) has attempted to establish communications on the chassis high-speed GMLAN serial data circuits more than 3 times.
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