Engine-Codes - Buick - B1374 BUICK

B1374 BUICK - Ignition 1 Fault

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

B1374 BUICK Possible Causes

  • 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 do I fix code B1374 BUICK?

Check 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.

Cost of diagnosing the B1374 BUICK code

Labor: 1.0

The cost of diagnosing the B1374 BUICK code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

B1374 BUICK Meaning

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 More Information

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