P078D Possible Causes
- Faulty Shift Timing Solenoid 'B'
- Shift Timing Solenoid 'B' harness is open or shorted
- Shift Timing Solenoid 'B' circuit poor electrical connection
How do I fix code P078DCheck 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.
Cost of diagnosing the P078D code
Labor: 1.0The cost of diagnosing the P078D code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
P078d DescriptionThe Transmission Control Module (TCM) monitors the Shift Timing Solenoid 'B' circuit. The TCM sets the OBDII code when the Shift Timing Solenoid 'B' is out of factory specifications.
P078D More InformationNeed more information on how to fix the P078D code?
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