2017-2019 Karma Revero Rear Seat Belt: SRS Warnings and Replacement Facts
This guide covers the critical details for the red, right-hand rear seat belt assembly in the 2017-2019 Karma Revero, including SRS system implications and why professional installation is mandatory.
- Professional installation is mandatory. This is an SRS component with an explosive charge that requires system-wide computer resets after replacement.
- An illuminated SRS light means the entire safety system, including airbags, is likely disabled. Do not drive with passengers until it is repaired.
- This specific part is for the REAR, RIGHT (PASSENGER) side and has RED webbing. Verify the OEM part number C131148101003RP before buying.
- Never buy or install a seat belt assembly that has been deployed in an accident. It is a one-time-use safety device.
Symptoms of a Failing Seat Belt Assembly
A seat belt assembly failure is a critical safety issue. Here are the primary symptoms to watch for:
- SRS Warning Light: The most common symptom is an illuminated SRS (Supplemental Restraint System) warning light on your dashboard. The SRS module continuously monitors all safety components, including the seat belt pretensioners. If it detects a fault, high resistance, or a past deployment in the seat belt assembly's circuit, it will trigger the light and disable the entire SRS system as a safety precaution. This means airbags and other seat belts may not deploy in an accident.
- Visible Damage: After any collision, the seat belt must be inspected. Any visible fraying, tearing, or cuts in the webbing render it unsafe. Likewise, a cracked or damaged housing for the retractor mechanism is a sign of failure.
- Retractor Malfunction: The belt may fail to retract, leaving it loose, or it may become completely locked and refuse to pull out. While sometimes a simple jam can be fixed, a persistent issue often points to a failed internal mechanism. 🎬 Watch: Simple tips to fix a seat belt that won't release.
- Deployed Pretensioner: If the vehicle has been in an accident severe enough to trigger the pretensioner, the belt will be permanently locked or may show visible signs of being cinched tightly. A deployed seat belt assembly cannot be repaired or reused and must be replaced.
Warning: An active SRS warning light means your vehicle's airbag and seat belt pretensioner systems are likely disabled. Do not ignore this light. The vehicle is not safe to carry passengers until the system is properly diagnosed and repaired by a qualified professional.
Known Issues, Recalls, and Technical Service Bulletins (TSBs)
As of early 2026, there are no specific recalls or TSBs issued by Karma Automotive or the NHTSA that directly target the rear seat belt assembly for the 2017-2019 Karma Revero.
- Airbag Control Unit Recall (2018 Models): It is important to note that a recall (NHTSA Campaign Number: 19V296000) was issued for 231 Karma Revero vehicles from the 2018 model year. This recall was because the rollover sensor system was not enabled in the Airbag Control Unit (ACU), which could prevent side curtain airbags from deploying. The fix involved replacing the ACU. While this does not directly involve the seat belt assembly, it highlights the integrated nature of the SRS system. A fault in one area can have system-wide consequences.
- Driver Seat Harness TSB: A service bulletin was issued for MY17 and MY18 Revero models to inspect and secure the driver's seat under-seat wiring harness. While this applies to the front seat, it shows that wiring and connector issues can be a concern. Always inspect all related wiring when replacing any SRS component.
Why Professional Installation is Required for SRS Components
Replacing a modern seat belt assembly is not a DIY job. This part contains an explosive charge and is a core piece of the vehicle's life-saving SRS system. Attempting to self-install poses significant risks.
- Safety and Legal Liability: SRS components like pretensioners are hazardous materials. Mishandling them can cause accidental deployment, leading to serious injury. While not always explicitly illegal for a private owner to work on their own car, installing a used or new SRS component incorrectly opens the owner up to immense civil liability if that part fails and causes injury in a future accident. Professional repair shops will not install customer-supplied used SRS parts due to this liability.
- System Reset and Calibration: After a new seat belt assembly is installed, the SRS control module must be professionally reset. The module stores "crash data" and fault codes that cannot be cleared with a standard OBD-II scanner. If the module is not properly reset, the SRS light will remain on, and the entire system will stay disabled. A pre-scan and post-scan with a capable diagnostic tool are required to ensure the system is functioning correctly. 🎬 See how to resolve SRS light issues after installing a pretensioner.
- Related Component Checks: A professional technician will inspect related wiring, connectors, and the SRS module itself to ensure the initial fault wasn't caused by a different part of the system.
Pro Tip: Before purchasing a replacement, have the vehicle professionally diagnosed. The SRS light could be triggered by a faulty sensor, a wiring issue, or the main SRS module, not just the seat belt assembly itself. A proper diagnosis saves time and money.
Buying a Used 2017-2019 Revero Seat Belt Assembly
Due to the high cost of new OEM parts, a quality-inspected, recycled OEM seat belt assembly is a viable option, provided you follow strict guidelines and have it professionally installed.
- Verify Part Number and Color: This is the most critical step. The OEM part number for the red, rear passenger (right) side assembly is C131148101003RP. Double-check the part number on the seller's listing. Also, visually confirm the webbing is red. Karma offered other colors, like black (part number 131148101004), and installing the wrong part may cause compatibility issues.
- NEVER Buy a Deployed Unit: A seat belt that has been through an accident where the pretensioner fired is useless. Ask the seller to confirm the part came from a non-wrecked vehicle or a vehicle where the SRS system did not deploy.
- Physical Inspection: When the part arrives, inspect it carefully:
- Webbing: The belt fabric should be free of any cuts, fraying, melting, or chemical stains. It should be clean and consistent in color.
- Retractor: Pull the belt out smoothly and let it retract. It should move freely without binding and retract fully. Give it a sharp tug to ensure the locking mechanism engages.
- Connectors: The electrical connector and its wiring pigtail should be intact, with no broken clips, bent pins, or cut wires.
- Why Used OEM is a Good Choice: A recycled OEM assembly was designed and tested by Karma for your specific vehicle. It guarantees perfect fitment and electrical compatibility, which is not always the case with aftermarket parts. Given that no major aftermarket manufacturers produce SRS-specific components for such a niche vehicle, a trusted recycled OEM part is the best alternative to a new one.
Cost Comparison
Prices for the Karma Revero rear seat belt assembly can vary significantly. All prices are estimates and do not include taxes or shipping.
| Part Type | Estimated Cost | Notes |
|---|---|---|
| New OEM | $300 - $500+ | Must be purchased from a Karma service center. Price is an estimate as public-facing dealer sites are rare. |
| Used OEM | $125 - $250 | Price depends on condition and supplier. A used black assembly was found for around $145. The red version may command a premium. |
| New Aftermarket | Not Available | No direct-fit aftermarket SRS-compliant assemblies are manufactured for this vehicle. Universal belts or re-webbing services are not a safe substitute. |
| Shop Labor | $150 - $300 | Includes installation, post-installation scan, and SRS module reset. Labor time is typically 1-2 hours. |
Frequently Asked Questions (FAQ)
My SRS light is on. Does that mean I have to replace the seat belt?
Not necessarily. The SRS light indicates a fault somewhere in the safety system. It could be the seat belt pretensioner, but it could also be an airbag, a clock spring, an impact sensor, or the control module itself. A professional diagnosis with a specialized scanner is required to read the specific fault code and identify the problem part.
🎬 Watch this guide on repairing SRS modules and seat belt systems.Can I just have my old seat belt repaired or re-webbed?
No. While some companies offer re-webbing services for cosmetic restoration on classic cars, you cannot repair or rebuild a seat belt assembly that contains a deployed pyrotechnic pretensioner. The entire assembly is a one-time-use safety device and must be replaced as a complete unit if it has been deployed or is electrically faulty.
Why is it so important that the seat belt is red?
The color itself is cosmetic, but it is tied to a specific part number. Using the correct part number (C131148101003RP for the red version) ensures you are getting the exact component designed for your vehicle's trim and, most importantly, its specific location (rear, right-hand passenger side). Mixing and matching parts, even if they look similar, can lead to compatibility and safety system errors.
What is a seat belt pretensioner?
A pretensioner is a device built into the seat belt assembly that uses a small explosive charge to rapidly tighten the seat belt during a collision. This happens in milliseconds and pulls the occupant securely into their seat to ensure they make proper contact with the airbag and are kept as safe as possible. It is a critical, one-time-use part of the SRS system.
Helpful Videos
Technical Specifications
OEM Part Numbers: C131148101003RP
Fits: Rear Passenger (Right) Side. Color: Red. Part of the Supplemental Restraint System (SRS) with an integrated pyrotechnic pretensioner.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Karma Revero:
- 🎬 Helpful Videos
- 🛍️ Shop This Part
- Symptoms of a Failing Seat Belt Assembly
- Known Issues, Recalls, and Technical Service Bulletins (TSBs)
- Why Professional Installation is Required for SRS Components
- Buying a Used 2017-2019 Revero Seat Belt Assembly
- Cost Comparison
- Frequently Asked Questions (FAQ)
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