B0132 – Right pretensioner squib circuit short to ground

DTC B0132 is an ISO/SAE controlled body-system code that indicates a safety restraint electrical fault: Right pretensioner squib circuit short to ground. The control module for the supplemental restraint system monitors the right pretensioner squib circuit for wiring integrity and electrical values that match expected limits. When the circuit is pulled to ground through an unintended low-resistance path, the module sets B0132 and typically turns on the SRS/airbag warning lamp. Because a pretensioner squib circuit is part of the crash-protection system, this code should be treated as safety-relevant. Always follow the OEM depower procedure and specified wait time before touching pretensioner wiring or connectors, and use only approved test methods for squib circuits.

B0132 Quick Answer

B0132 means Right pretensioner squib circuit short to ground. The fault type is a circuit short, specifically a short-to-ground condition affecting the right pretensioner squib circuit.

What Does B0132 Mean?

B0132 – Right pretensioner squib circuit short to ground means the SRS control module has detected that the right pretensioner squib circuit is being pulled toward ground when it should not be. In practical terms, the module’s circuit monitoring sees a low-resistance path to chassis ground on the right pretensioner squib wiring.

This is not a “component replacement” command by itself. It is an electrical description of what the module detected: a short to ground in the right pretensioner squib circuit. The diagnostic goal is to find where the circuit is contacting ground (wiring, connector, terminal issue, or the device-side pigtail as allowed by OEM pinpoint tests) and correct the short so the circuit returns to normal monitored values.

Theory of Operation

The right pretensioner contains a squib (an electrically fired initiator) that is commanded by the SRS module during a qualifying crash event. During normal vehicle operation, the module continuously supervises the right pretensioner squib circuit with internal diagnostic logic designed to detect circuit faults without deploying the pretensioner.

A short to ground occurs when one or more conductors in the right pretensioner squib circuit are unintentionally connected to vehicle ground through a low-resistance path. This can happen if insulation is damaged and the conductor contacts grounded metal, if moisture or contamination provides a conductive path, or if a terminal/connector issue creates contact with a grounded surface. When the module’s monitoring criteria are met (typically at key-on self-check and/or during driving), it stores B0132 and illuminates the warning indicator to signal a restraint system fault.

Symptoms

• SRS/airbag warning lamp illuminated (stays on after the initial bulb check).
• Restraint system message or warning text in the instrument cluster (vehicle-dependent).
• B0132 stored as current, pending, or history in the SRS module with an SRS-capable scan tool.
• Possible deactivation of the affected restraint function until the fault is corrected and the system passes verification checks.
• No engine drivability symptoms (this is a body/SRS circuit fault rather than a powertrain fault).

Common Causes

• Chafed or damaged wiring in the right pretensioner squib circuit contacting grounded metal.
• Pinched harness routing that creates an internal short to ground within the right pretensioner squib wiring.
• Moisture intrusion or contamination at connectors in the right pretensioner squib circuit that creates a conductive path to ground.
• Corroded, bent, spread, or backed-out terminals that allow unintended contact to ground.
• Incorrect harness routing or missing retainers that allow the circuit to rub against grounded structures over time.
• Device-side or pigtail-related electrical fault consistent with a short to ground, only after the harness/connector side has been verified per OEM procedures.

Diagnosis Steps

Tools needed: SRS-capable scan tool, OEM wiring diagram/service information, approved DVOM and SRS-approved breakout/adapter tools as specified by the manufacturer, and basic inspection tools (lighting, mirror, trim tools). Follow OEM SRS depower/disable steps and wait times before disconnecting or handling SRS connectors. Do not use a test light or pierce wires on squib circuits.

1. Verify the code and module information: Connect an SRS-capable scan tool, read all SRS DTCs, and record B0132 status (current/history) along with any additional SRS codes. Save freeze-frame/environmental data if available.
2. Confirm the affected circuit identification: Using OEM service information, confirm what the vehicle defines as the “right pretensioner squib circuit” and identify connector locations, wire colors, splices, and routing points relevant to that circuit.
3. Depower the SRS system: Perform the OEM depower/disable procedure (including the specified capacitor discharge wait time). Do not proceed until the system is confirmed depowered per the service information.
4. Perform a focused visual inspection: Inspect the right pretensioner squib circuit routing and connectors. Look for chafing, crushed conduit, exposed copper, pinch points, misrouted harness sections, and evidence of contact with grounded metal structures.
5. Inspect connector condition and retention: Check connector locks, CPA/secondary locks (if equipped), terminal seating, bent pins, corrosion, moisture, or debris. Correct connector issues only using OEM-approved terminal repair methods.
6. Check for signs of circuit-to-ground contact: With the system depowered and the circuit isolated as directed by OEM procedures, test the circuit for a short to ground using approved adapter tools and the specified method. Do not probe squib terminals directly with inappropriate leads.
7. Wiggle and position testing: If allowed by OEM procedures, gently manipulate the harness and connector positions along the right pretensioner squib circuit while observing the short-to-ground condition (or scan tool status after re-energizing per OEM instructions). This helps identify intermittent contact points.
8. Isolate harness side versus component side: Follow the OEM pinpoint test to separate the wiring/connector side from the pretensioner side (for example, by disconnecting at the specified connector and testing each side as directed). Determine whether the short-to-ground is present on the harness side, the device side, or both.
9. Verify module power/grounds if required by the test plan: If OEM diagnostics call for it, check SRS module power and ground integrity using voltage-drop methods (not a test light). Poor power/ground integrity can interfere with monitoring; only perform these checks as specified for SRS circuits.
10. Reassemble, clear, and confirm: After repairing the identified short-to-ground cause, restore OEM harness routing/retention, re-enable the SRS system per OEM instructions, clear DTCs, and run the OEM verification/self-check. Confirm the warning lamp behavior is normal and B0132 does not return.

Professional tip: For B0132, do not rely on a quick continuity check alone. A circuit can appear intact and still short to ground when the harness is flexed or when a connector lock is not fully seated. Use the OEM diagnostic flow to isolate the short-to-ground condition and verify the repair across the full range of harness movement and connector engagement.

Possible Fixes

• Repair or replace damaged wiring in the right pretensioner squib circuit that is shorted to ground, then restore proper routing and protection.
• Clean/dry and correct connector issues (corrosion, moisture, terminal damage) affecting the right pretensioner squib circuit, using OEM-approved service parts and procedures.
• Replace or repair terminals that are bent, spread, or not fully retained and are creating an unintended ground path.
• Correct harness retention issues (missing clips/fasteners or misrouting) that allow the circuit to contact grounded metal.
• Replace the right pretensioner component only if OEM isolation testing shows the short-to-ground condition is on the device side and wiring/connector faults have been ruled out.

Can I Still Drive With B0132?

The vehicle will usually still drive normally, but B0132 indicates a fault in a crash-safety circuit: Right pretensioner squib circuit short to ground. When this code is active, the restraint system may not operate as designed for the affected circuit, and the SRS warning light indicates the system has detected a fault. Driving does not fix the issue, and attempting unapproved electrical testing can create additional risk. The safest approach is to diagnose and repair the short-to-ground condition as soon as possible using OEM SRS procedures.

How Serious Is This Code?

B0132 is serious because it involves a pretensioner squib circuit, which is part of the occupant restraint system. A short-to-ground fault means the module cannot confirm proper circuit behavior, so it may inhibit the affected restraint function and will alert the driver with the warning lamp. Even if there are no drivability symptoms, the potential reduction in intended crash protection makes this a high-priority repair item.

Common Misdiagnoses

Common misdiagnoses include replacing the right pretensioner solely because the code references it, without first confirming a short to ground in the circuit through OEM isolation steps. Another error is using improper tools or methods on squib circuits (such as probing connectors in a way not approved by the service information), which can damage terminals, alter circuit resistance, or create additional faults. Misrouting the harness during reassembly can also reintroduce the short-to-ground condition immediately after repair.

Most Likely Fix

The most likely fix is to locate and correct the short-to-ground in the right pretensioner squib circuit, typically by repairing damaged wiring or correcting a connector/terminal condition that allows the circuit to contact ground, then restoring proper routing and retention so the short does not recur.

Repair Costs

SRS/airbag repair costs vary significantly by component. Diagnosis must be performed by a qualified technician with SRS-capable equipment. Do not attempt airbag system repairs without proper training and safety procedures.

Last updated: March 30, 2026