SRS & Airbag Systems | Voltcheck Motors

Modern SRS and airbag systems include multiple control modules, crash sensors, airbags, seat-belt pretensioners, occupancy sensors and communication circuits.

Voltcheck Motors provides professional diagnostics, electronic repair, control module services, programming and supported crash-related solutions for SRS and airbag systems.

We diagnose the complete system before recommending module replacement or other repairs.

SRS & Airbag Diagnostics

We diagnose airbag and restraint system faults including:

Airbag warning lights
SRS fault codes
Airbag control module faults
Crash sensor faults
Seat-belt pretensioner faults
Occupancy sensor faults
Passenger airbag system faults
Steering wheel airbag and clock spring faults
Wiring and connector problems
Power and ground faults
Communication faults
Problems following accident repairs
Faults after module or component replacement

Diagnosis may include full system scanning, live-data analysis, electrical testing, wiring checks and control module assessment.

Airbag Control Module Services

We provide diagnostics and supported electronic services for SRS and airbag control modules.

Services may include:

SRS module diagnostics
Electronic fault assessment
Module communication testing
Original module data backup
Software and data recovery
Replacement module programming
Coding and configuration
Module initialisation
Synchronisation where required

Support depends on the vehicle, module type and condition of the original unit.

Crash Data Services

Following a collision, some SRS control modules store crash-event data that may prevent normal system operation even after damaged restraint components have been replaced.

Where technically appropriate and supported, we provide:

SRS module assessment
Crash-event data diagnosis
Supported crash-data reset/restoration
Original module data backup
Software restoration
Module testing after service

Crash-data work is performed only where the vehicle has been properly repaired and the relevant safety components have been replaced or verified.

Clearing crash data does not repair deployed airbags, damaged pretensioners, sensors, wiring or other physical faults in the restraint system.

Replacement SRS Module Programming

A replacement airbag control module is not always plug-and-play.

Depending on the vehicle, replacement may require:

Module compatibility assessment
Programming
Coding
Vehicle configuration
Variant configuration
Initialisation
Adaptation
Synchronisation with other vehicle systems

We determine the required procedure before programming or installing a replacement module.

Airbag & Pretensioner Fault Diagnosis

We diagnose faults involving:

Driver and passenger airbags
Side airbags
Curtain airbags
Knee airbags where fitted
Seat-mounted airbags
Seat-belt pretensioners
Belt buckle switches
Crash sensors
Associated wiring and connectors

Any deployed or physically damaged safety component must be replaced with the correct compatible component.

Occupancy & Passenger Detection Systems

Modern vehicles may use seat occupancy and passenger classification systems to determine airbag operation.

We diagnose:

Passenger occupancy sensor faults
Seat recognition faults
Passenger airbag warning problems
Seat wiring and connector faults
Communication problems
Calibration or initialisation issues where supported

Clock Spring & Steering Wheel SRS Faults

A damaged clock spring or steering wheel wiring can cause an airbag warning light and may also affect steering wheel controls, horn or other functions.

We diagnose the circuit before recommending component replacement.

Wiring & Connector Diagnostics

SRS faults are frequently caused by wiring or connection problems rather than a defective control module.

We diagnose:

Open circuits
Short circuits
High-resistance connections
Damaged wiring
Corroded connectors
Seat wiring faults
Power supply problems
Ground faults
Communication wiring problems

Safety circuits are tested using appropriate diagnostic procedures.

SRS Communication Faults

Airbag control modules communicate with other vehicle systems through the vehicle network.

We diagnose:

SRS module not communicating
CAN communication faults
Power and ground problems
Network wiring faults
Gateway communication problems
Multiple control modules reporting SRS communication faults

SRS Software & Coding

Supported services may include:

SRS module coding
Replacement module configuration
Software restoration
Module initialisation
Variant configuration
Adaptation procedures
Programming following module replacement

Availability depends on manufacturer, vehicle model, model year and SRS system.

Post-Accident SRS Assessment

After collision repairs, an airbag warning light may remain because the restraint system still contains stored faults or damaged components.

We can diagnose the electronic SRS system to identify remaining problems involving:

Airbag control module
Deployed restraint components
Pretensioners
Crash sensors
Occupancy systems
Wiring and connectors
Module coding or configuration
Stored crash-related data

The purpose is to identify what still requires repair before the SRS system can operate correctly.

Diagnosis Before Module Replacement

An SRS fault code does not automatically mean the airbag control module is defective.

Wiring faults, damaged connectors, low voltage, crash sensors, pretensioners, occupancy sensors or communication problems can produce similar symptoms.

We diagnose the system first before recommending control module replacement or programming.

Our Approach

We begin with a complete diagnostic scan and verification of the reported SRS fault.

Depending on the findings, further work may include electrical testing, wiring inspection, live-data analysis, control module assessment, coding or programming.

Once the cause has been identified, we explain what requires repair or replacement before additional work is carried out.

Workshop-Based Service

SRS and airbag diagnostic work is carried out at our workshop.

Vehicles requiring post-accident diagnostics should have the necessary physical collision repairs completed or be in a suitable condition for the restraint system to be properly assessed.

Diagnostic work is charged first. Any replacement components, module repair, crash-data service, programming, coding or additional electrical work is quoted separately based on the findings.

Make appointment