P2122

Symptoms

• Floating idle speed
• Acceleration problems
• Switching to emergency mode
• Check Engine Light Illuminates
• Reduced engine power

Causes

• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Gas pedal position sensor malfunction
• Circuit Grounding Problems
• Engine ECU malfunction

How to Fix

1. Check the integrity of the sensor wiring and connectors
2. Check the voltage and resistance in the sensor circuit
3. Clean sensor connector contacts
4. Replace the gas pedal position sensor if necessary
5. Check and reflash the ECU if necessary

Related codes

Error P2122 by Vehicle Brand