Engine-Codes - Generic - P078D

P078D Code - Shift Timing Solenoid 'B' High

- Code Popularity: 1,227 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P078D?

  • Faulty Shift Timing Solenoid 'B'
  • Shift Timing Solenoid 'B' harness is open or shorted
  • Shift Timing Solenoid 'B' circuit poor electrical connection

|How to Fix the P078D Code?

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 Code P078D?

Labor: 1.0

The cost to diagnose the P078D 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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|What are Code P078D Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P078D Code Mean?

The 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 Code - Shift Timing Solenoid 'B' High

|Need more Information on the P078D Code?

Need more information on how to fix the P078D code? Get Access to Factory Service Manuals

|Need Help with the P078D Code?

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