Posts Tagged: ABS light
ABS TCS lights on C1223, C1225
C1223, C1225 ABS TCS lights on GM vehicle GM did it again. If you have a C1223, C1225 ABS TCS lights on condition, a wire harness problem might be the cause of an ABS/Traction control light on in 2003-04 Chevy Cavalier and Pontiac Sunfires. The traction control gets its information from the ABS system, so a faulty sensor reading will automatically shut down the traction control system. The problem is usually on the left side and is caused by the wires separating from the connector. So a meter reading will … Read More
ABS Light on GM vehicle
ABS Light on Regal, Century, Impala, Monte Carlo, Intrigue, Grand Prix GM really did it this time. Now their cars have a solid or intermittent ABS light on. They routed the ABS sensor wiring harness so that it may contact the tie rod end you wind up with the ABS light on. The touching wears away the insulation and causes an intermittent or constant ABS light on. Testing is difficult because the fault may not show unless the suspension is moved up or down. Before you or your mechanic jump … Read More
Test an ABS sensor
How to test a wheel speed sensor If the ABS light is on and you suspect a bad sensor, here’s how you test an ABS sensor ABS sensors are divided into two categories: active and passive. Passive sensors generate an AC voltage that you can test with a digital multimeter. An active sensor produces a digital square wave and you can only test those with a scope. This article describes how to test an ABS sensor of the passive type. Disconnect the sensor at the wheel and use a digital … Read More