P1271

Symptoms

• Unstable engine operation
• Delayed response to pressing the gas pedal
• Check Engine Light Is On
• Reduced engine power
• The car goes into emergency mode

Causes

• Malfunction of the accelerator pedal position sensor
• Damage to wiring or connectors
• Short circuit in the sensor circuit
• Grounding problems
• Engine control unit (ECU) malfunction

How to Fix

1. Check the condition of the pedal position sensors
2. Inspect wiring and connectors for damage
3. Check the voltage and resistance of the sensors
4. Replace faulty sensor or wiring
5. Test the operation of the system after repair

Related codes

Error P1271 by Vehicle Brand