Engine-Codes - RAM - B1978 RAM

B1978 RAM Code - Power Liftgate Close Direction Sector Switch Performance

- Code Popularity: 411 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the Code B1978 RAM?

  • Binding Power Liftgate
  • Faulty Sector Switch Sense
  • Sector Switch Sense harness is open or shorted
  • Sector Switch Sense circuit poor electrical connection
  • Faulty Power Liftgate Latch
  • Faulty Power Liftgate Module

How to Fix the B1978 RAM 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.

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What is the Cost to Diagnose the Code B1978 RAM?

Labor: 1.0

The cost to diagnose the B1978 RAM 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.

Does your RAM have Safety Recalls? → Check here

What are Code B1978 RAM Possible Symptoms?

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

What Does the B1978 RAM Code Mean?

The sector switch is essentially a park switch for the latch. When the latch is running a cinch or release operation, the switch is closed. After the cinch or release is complete, the PLGM will reverse direction of the latch until the switch is open.

B1978 RAM Code - Power Liftgate Close Direction Sector Switch Performance

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