Engine-Codes - Buick - B153B BUICK

B153B BUICK Code - Liftgate Open Switch Signal Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

|B153B BUICK code possible causes

  • Faulty Liftgate Motor Assembly
  • Liftgate Motor Assembly harness is open or shorted
  • Liftgate Motor Assembly circuit poor electrical connection
  • Faulty Liftgate Control Module (LGM)

|How is the B153B BUICK 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.

|B153B BUICK code tech notes

B153B 02 Liftgate Open Switch Signal Circuit Short to Ground
B153B 05 Liftgate Open Switch Signal Circuit Open

|What is the cost to diagnose the B153B BUICK code

Labor: 1.0

The cost to diagnose the B153B BUICK 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 B153B BUICK code possible symptoms?

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

|What is B153B BUICK code meaning?

The full open switch is part of the gear motor assembly and will close and become active when the liftgate reaches the full open position. The full open switch signal circuit is supplied battery voltage through a resistor and monitored within the Liftgate Control Module (LGM). The Liftgate Control Module provides a low reference circuit and when the switch contacts close, the signal circuit goes low and the LGM determines the switch to be active.

|Need more information with the B153B BUICK code?

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|Need help with a B153B BUICK code?

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