ABS and Warning Light Diagnosis in West Warwick, RI

We scan the ABS module and test the wheel speed sensors right at the car — no shop, no leaving it overnight.

Signs you need this

When a safety light shows up

The ABS system talks through a handful of lights and a few telltale behaviors. Any of these is worth a phone call — and worth sorting before an inspection.

• The ABS light is on and stays on after you start the car — the amber anti-lock lamp lit up and never went back out.
• The traction control light is on, sometimes on its own and sometimes alongside the ABS lamp, and the system won't let you switch it off.
• The brake and ABS lights are on together — a red brake warning plus the amber ABS lamp, which can point to a shared issue like a wheel speed signal or a hydraulic fault.
• The ABS pulses or kicks the pedal at low speed on dry, clean pavement when there's no reason for it to — the system is reacting to a signal it shouldn't be.
• The speedometer drops out intermittently, jumps around, or quits for a few seconds at a time, because the ABS module feeds the speed reading on most cars.

What's included

How we track down the dead circuit

A parts-store code reader usually can't reach the ABS module at all. We bring a scan tool that can, and we test the parts the codes point at — not just read them and guess.

• Scanning the ABS module for stored and pending codes, because the generic code reader most parts stores use often can't talk to the ABS system at all.
• Testing each wheel speed sensor and its wiring for signal, resistance, and damage, since a dead or dirty sensor at one wheel is the single most common cause of an ABS light.
• Inspecting the tone rings — the toothed rings the sensors read off of — for cracks, broken teeth, rust buildup, and debris that throws the signal off.
• Checking the wiring and connectors between the sensors and the module for corrosion, chafing, and breaks that interrupt the signal only when the wheel moves.
• Identifying the exact failed circuit — sensor, ring, wiring, or module — and telling you what it takes to clear the light before any part gets ordered.

A realistic time range

Scanning the ABS module and testing the wheel speed sensors at all four corners usually takes 30 to 60 minutes once we're set up. If the code points at one wheel and the sensor is easy to reach, we often have an answer on the closer end of that. A fault that's intermittent, or one buried in the wiring between the wheel and the module, can run longer because we have to test the circuit while it's acting up. We'll give you a real time estimate once we see the car and read the module, and we won't run the clock without telling you where it stands.

What drives the price

We don't publish a dollar figure here, because the honest answer is that it depends on what the scan tool finds. The cost comes down to the trip to come out, the time it takes to test through the wheel speed sensors and their wiring, and whether a part is needed to confirm the cause. A bad sensor is a different job than a cracked tone ring or a chafed harness, and each carries its own parts cost. What we can promise is a real number before any repair work starts — not after. The fastest way to a quote is to call with the year, make, and model and tell us which lights are on and what the car is doing.

Can this be done in a driveway?

Yes — including the sensor replacement in most cases. The scan tool, the meters, and the hand tools all fit in the service vehicle, and we can jack and support the car safely on level ground to reach the wheels. A wheel speed sensor that bolts into the knuckle is a driveway job on most cars, and we can often have it swapped and the light cleared the same visit. The exceptions are a sensor seized into the hub or a tone ring that needs the bearing pressed out — those can call for a shop press. If yours turns out to be one of those, we'll tell you straight and explain why before we charge you a dime.

Related services

Where to go next

If your car's problem sounds different, here's the parent category and a couple of related pages worth a look.

Don't ignore an ABS light. Let's read it where the car sits.

Call now and we'll come out, scan the ABS module, test the wheel speed sensors, and tell you exactly which circuit quit — before you pay for a part you may not need.