Engine-Codes - Generic - P078B

P078B Code - Shift Timing Solenoid 'B' Range/Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P078B code 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 is the P078B 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 P078B code

Labor: 1.0

The cost to diagnose the P078B 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.

|What are P078B code possible symptoms?

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

|What is P078B code meaning?

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.

|Need more information with the P078B code?

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|Need help with a P078B code?

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