Can a bad TPS affect transmission?
Can a bad TPS affect transmission? The Throttle Position sensor measures the throttle position, which is controlled by the gas pedal. It is used to determine engine load and if it fails it can cause automatic transmission shifting problems. The TPS can also send bad input that ends up stalling the engine at any time. How do you test a TPS harness? Touch the negative probe on the multimeter to the negative wire tab on the TPS and the positive probe to the positive tab. The multimeter will display around 5 volts if the TPS is working correctly. Check signal...