P2000 Possible Causes
- Faulty sensor or solenoid
- Sensor or solenoid wiring harness is open or short-circuited
- Poor electrical connection in sensor or solenoid circuit
- Powertrain Control Module (PCM) / Engine Control Module (ECM) software update
- Faulty Powertrain Control Module (PCM) / Engine Control Module (ECM)
- Damaged catalytic converter
- Catalytic converter malfunction
What Does It Mean?
How to Fix Code P2000
Check the “Possible Causes” listed above. Visually inspect the wiring harness and related connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
P2000 Possible Symptoms
Engine light on (or service engine soon warning light)
P2000 Meaning
The Powertrain Control Module (PCM) monitors the oxygen sensor. The PCM sets the OBDII code when the oxygen sensor does not meet factory specifications.