P23ED

Camshaft B Position Signal Output Circuit Low Bank 1

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

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

Causes

Camshaft position sensor malfunction
Open or short circuit in wiring
Poor contact in the sensor connector
Problems with the engine control unit (ECU)
Mechanical faults in the timing system

How to Fix

Check the condition of the camshaft position sensor B
Check the integrity of wiring and connectors
Check sensor resistance
Check the sensor signal with an oscilloscope
If necessary, replace the sensor or repair the wiring

Related codes

P23EE P23EF P23EC