Is the ABS controller on a Volvo S80?
The ABS controller provides the VSS signal, not the other way around. Update on the ABS module repair for my 2000 Volvo S80. I had my mechanic remove the ABS module and I mailed it to Victor Rocha in California who, for $144 (shipping incl) repaired some cracks in the circuit board.
How do you repair an ABS module on a Volvo?
The process at the car begins with removing fuse number 14 from the fuse box and then disconnecting the power connector and the signal connector from the ABS module.
Is there a problem with my Volvo S80?
For many years, my 2000 Volvo S80 has had many lights illuminated – ABS Brake Service Required, STC Service, Brake Failure-Stop Safely ASAP, check engine, etc. No one has ever found any problem with the brakes or been able to turn off the warning lights.
What causes the ABS light to come on on a Volvo?
This is a very common failure on all Volvo ABS pumps built after 1995, causing the ABS light to come on along with the TRACS light if fitted. When fault codes are read there will usually be a code blaming the high pressure pump and/or a fault code blaming one or more wheel speed sensors.
What is the fault code for a Volvo ABS pump?
When fault codes are read there will usually be a code blaming the high pressure pump and/or a fault code blaming one or more wheel speed sensors. The fault is normally always internal breakdown of the ABS module when these faults occur.
When to replace brake control module in Volvo?
It states in Service Bulletin #TJ-5931 (NHTSA Item #10033816) “Volvo: Unnecessary Brake Control Module (BCM) replacements. When diagnosing diagnostic trouble codes (DTC’s) for brake control system, technician must always follow complete dianostic fault tracing path in VIDA. VIDA always lists possible sources of fault.
What to do if your Volvo has intermittent electrical problems?
Getting the CEM module replaced by the dealer costs $1000+. A cheaper solution would be to repair your existing module. Remove your existing module and send it for repair to a facility that offers Volvo CEM Module Repair on eBay. A CEM module (or corroded connections at CEM) trigger intermittent electrical problems.
Do you need to replace the ABS control unit?
In some vehicles, the ABS control unit is shared with the traction control system. In that case, you should choose a new replacement ABS control module that is designed to control the traction system, as well. After the ABS control module is repaired, it is advised to flush the brake system with fresh brake fluid.
Where is the ABS control module located on a car?
Locate the ABS control module. It is generally installed in the engine compartment or in the frame rail on the driver’s side. If the module is located in the latter position, you will need a jack stand to lift the vehicle to continue replacing the module.
How does the ABS control module restore traction?
This way, the traction of the vehicle in any terrain is restored by the ABS control module with the help of the sensors and valves. There is generally a difference in the speeds of the wheels while the vehicle is rounding a turn, since the inner wheels will rotate slower than the outer wheels.
Can a bad ABS controller cause the Check Engine light to come on?
On my cars (LS), the ABS controller provides the VSS signal, so an ABS controller problem can trigger the check engine light on my cars. Could this not be true for the Volvo as well? Volvo DTC P1633=Vehicle Speed Sensor Signal. This code will cause the the Check Engine, ABS, and the STC lights to come on.
What does ABS system have to do with emissions?
Your ABS system has absolutely nothing to do with your emissions. But the history of brake warning lights suggests you probably do need work on teh ABS system. That Check Engline Light is the one that’s telling you you have something that may effect emissions.