P23EF

Camshaft B Position Signal Output Circuit/Open Bank 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Increased fuel consumption
Unstable engine idling
Problems starting the engine

Causes

Broken wire in the sensor circuit
Poor contact in the sensor connector
Malfunction of the camshaft position sensor itself
Wiring harness damage
Problems with the engine control unit (ECU)

How to Fix

Check the integrity of the sensor wires and connectors
Check the resistance of the camshaft position sensor
Check the presence of power and ground on the sensor
If necessary, replace the camshaft position sensor
Check and, if necessary, replace damaged wires

Related codes

P23EE P23F0 P23ED