DTC P2202 Chevrolet
Throttle Position (TP) Sensor Signal. Signal Missing
Throttle Position (TP) Sensor Signal. Signal Missing
Description
The throttle position (TP) sensor signal from the engine control module (ECM) is a pulsed signal (between approximately 0 V and battery voltage) with a fixed frequency (approximately 50 Hz). The pulse ratio (% duty) changes as the throttle opens. Diagnostic trouble code (DTC) DSA-231 is stored if the DSA control module registers that that there are no pulses from the engine control module (ECM) for approximately 0.5 seconds.
Cause and Solution
Open-circuit in the signal cable.Short-circuit to supply voltage or ground in the signal cable.Contact resistance in the terminals.
Video Guide
Diagnostic Info
- DTC Code: P2202
- Brand: Chevrolet