Chrysler
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Throttle Position Sensor Circuit Conditions
Cause:
    Key on for 60 seconds or right after startup, closed throttle switch on, then the test started and the PCM detected a TP sensor input of 2v or more or a TP sensor input of 0.2v or less for 4 seconds.

Generic
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Throttle/Pedal Position Sensor/Switch "A" Circuit

GM
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    TP Sensor Circuit Conditions
Cause:
    Key on or engine running, then the PCM detected that the TP input was less than 0.1v, or that the TP input was more than 4.9v.