AutoCodes - OBDII Code List - B0040 PONTIAC

B0040 PONTIAC - Driver Side Deployment Loop Resistance Low

Repair Importance Level: 3/3

Repair Difficulty Level: 3/3

What does this mean?

Table of contents

B0040 PONTIAC Possible Causes

What does this mean?

Faulty Driver's Side Air Bag Module
Driver's Side Air Bag Module harness is open or shorted
Driver's Side Air Bag Module circuit poor electrical connection

How do I fix code B0040 PONTIAC?

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.

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Cost of diagnosing the B0040 PONTIAC code

Labor: 1.0

The cost of diagnosing the B0040 PONTIAC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

Air Bag Warning Light ON

B0040 PONTIAC Description

When ignition switch is turned to RUN position, Sensing and Diagnostic Module (SDM) performs tests to diagnose critical internal malfunctions. SDM then performs deployment loop voltage out of range test and deployment loop resistance measurement test. If voltage out of range test detects a short to voltage condition, resistance measurement test will not be performed.

OBDII Code B0040 Pontiac - Driver Side Deployment Loop Resistance Low - AutoCodes.com

More Information

Need more information on how to fix the B0040 PONTIAC code?
Get Access to Factory Service Manuals

Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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