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Engine-Codes - Cadillac - B0029 CADILLAC

B0029 CADILLAC - Right Front/Passenger Side Deployment Loop Open

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

B0029 CADILLAC Possible Causes

What does this mean?
  • Faulty Right Front/Passenger Side Air Bag Module
  • Right Front/Passenger Side Air Bag Module harness is open or shorted
  • Right Front/Passenger Side Air Bag Module circuit poor electrical connection

How is the B0029 CADILLAC 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.

What is the cost to diagnose the B0029 CADILLAC code

Labor: 1.0

The cost to diagnose the B0029 CADILLAC 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.
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Possible Symptoms

  • Air Bag Warning Light ON

B0029 CADILLAC Meaning

When the ignition switch is turned to RUN position, Sensing and Diagnostic Module (SDM) performs tests to diagnose critical internal malfunctions. The 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, the resistance measurement test will not be performed.

More Information

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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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