Engine-Codes - Buick - B1374 Buick

B1374 Buick Code - Ignition 1 Fault

- Code Popularity: 511 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code B1374 Buick?

  • Faulty Body Control Module (BCM)
  • Body Control Module (BCM) harness is open or shorted
  • Body Control Module (BCM) circuit poor electrical connection
  • Faulty Instrument Panel Cluster (IPC)

|How to Fix the B1374 Buick 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 B1374 Buick?

Labor: 1.0

The cost to diagnose the B1374 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.

Does your Buick have Safety Recalls? → Check here

|What are Code B1374 Buick Possible Symptoms?

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

|What Does the B1374 Buick Code Mean?

The Diagnostic Trouble Code (DTC) B1374 will set if IGNITION 1 input is not active after the engine has been running for 20 seconds. When DTC is present, SERVICE VEHICLE SOON indicator illuminates and check gauges chime will sound. A current DTC B1374 will clear when the fault is no longer present and the ignition switch is cycled. A history DTC B1374 clears when module ignition cycle counter reaches reset threshold, without a repeat of malfunction.

B1374 Buick Code - Ignition 1 Fault

|Need more Information on the B1374 Buick Code?

Need more information on how to fix the B1374 Buick code? Get Access to Factory Service Manuals

|Need Help with the B1374 Buick Code?

Get the B1374 Buick code diagnosed by a professional: Find a repair shop in your area