P0221 OBD Trouble Code

1 result found

P0221 - GM
Type Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description

Accelerator Pedal Position Sensor 2 Performance Conditions

Cause

No APP sensor codes set, system voltage over 6.4v, engine speed over 300 rpm, then the PCM detected that the difference between APP-2 and APP-3 was over 500 mv, or the difference between APP-2 and APP-1 was over 230 mv, condition met for 2 seconds

Try also: https://www.obd-codes.com/p0221