SureTrack Real Fix: Oldie but a Goodie
Real Fixes from Mitchell 1’s SureTrack® expert information resource are documented issues from actual shop repair orders and community discussions. Read on to see how SureTrack can help you correct issues that are not easily diagnosed using OEM information alone. SureTrack is available at no additional cost in our ProDemand product.
If you’re an older technician you might remember when a 20 year old car was a really old car. These days, cars last a lot longer so you will still see a lot of daily drivers that are 20 years old an older that still need to be repaired when something goes wrong. Follow this Real Fix to see how an ABS problem was diagnosed and repaired.
1996 Volkswagen Passat GLX 2.8L
00287, ABS Light On, Replaced Anti-Lock Brake Traction Control Module
The customer states the anti-lock brake system (ABS) light is on.
Confirmed the customer’s complaint and found the ABS light was on. Connected a scan tool and found code 00287 – Right Rear ABS Wheel Speed Sensor -G44- Electrical Malfunction In Current Circuit. Performed a road test while monitoring live scan tool data and observed the right rear anti-lock brake system (ABS) wheel speed sensor parameter was not present. With the ignition on and the engine off, used a multi-meter to check for the presence of voltage and ground at the right rear ABS wheel speed sensor connector and found signal voltage was not present. Performed an inspection of the right rear ABS wheel speed sensor wiring harness and connector and found no faults. With the ignition on and the engine off, used the multi-meter to check for the presence of voltage at the right rear wheel speed sensor signal terminal on the anti-lock brake traction control module and found voltage was not present. With the ignition on and the engine off, used a multi-meter to check for the presence of voltage and ground at the anti-lock brake traction control module and found both were present. Disconnected the anti-lock brake traction control module connector, inspected the connector terminals and found no faults. The results of these tests verified the anti-lock brake traction control module was faulty.
Replaced the anti-lock brake traction control module cleared codes, performed a road test and verified the vehicle operated properly. The ABS light did not illuminate and no fault codes returned.
SureTrack® adds to the power of ProDemand® with an exclusive combination of real-world knowledge and powerful diagnostic tools, all wrapped in an interactive community of professional technicians. Designed to help automotive shops increase accuracy and efficiency from diagnosis to completed repair, the industry’s most comprehensive repair information resource is just a few clicks away.
Want more? Here’s how you can see more Real Fixes in SureTrack: