P2090 code indicates a low voltage condition in the camshaft position actuator control circuit for bank 1.
P2090 B Camshaft Position Actuator Control Circuit Low Bank 1
Code symptoms P2090.
– Engine misfires
– Rough idling
– Decreased fuel efficiency
– Illuminated Check Engine Light
This code is common in brands such as:: Chevrolet, Renault, Ford, Toyota, Nissan, Mercedes Benz, Honda.
Causes of the code P2090.
1. Wiring issues such as open circuits, short circuits, or damage to the wiring harness.
2. Faulty camshaft position actuator solenoid.
3. Problems with the camshaft position sensor.
4. Issues with the powertrain control module (PCM).
5. Low engine oil pressure causing improper actuator function.
Code Solutions P2090.
1. Check the camshaft position actuator solenoid for any damage or debris. Clean or replace it if necessary.
2. Inspect the wiring harness and connectors related to the camshaft position actuator for any signs of damage or corrosion. Repair or replace as needed.
3. Verify proper voltage and ground signals are reaching the camshaft position actuator. Test and repair any electrical issues.
4. Check the engine control module (ECM) for any fault codes and reset if necessary. Ensure that the ECM is functioning correctly.
5. Perform a thorough inspection of the camshaft position sensor and replace it if faulty. Calibrate the sensor to ensure accurate readings.