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Home >> Chevrolet >> 2004 >> Optra Base, Automatic >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - ZF 4HP 16 - Symptom Troubleshooting And Diagnosis >> Transmission Control Module Inputs that Affect the 4HP16 Transmission >> Throttle Position Sensor >> Automatic Transaxle Output (Shaft) Speed Sensor

Automatic Transaxle Output (Shaft) Speed Sensor

Provides vehicle speed data to the TCM for determining shift patterns, TCC apply/release, and gear ratio calculations.

An incorrect throttle sensor input could cause erratic shift patterns, poor shift quality, or poor TCC function.