P005A

B Camshaft Profile Actuator A Control Performance/Stuck Off Bank 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Deterioration in acceleration dynamics
Increased fuel consumption
Unstable operation at idle
Check Engine Light Illuminates

Causes

VVT solenoid valve malfunction
Clogged oil channels of the VVT system
Wear of the hydraulic drive of the phase shifter
Problems with the wiring harness or connectors
Insufficient engine oil pressure
Mechanical wear of VVT gear
ECU software error

How to Fix

Diagnose engine oil pressure
Check the condition and level of the engine oil
Test VVT solenoid valve (resistance, voltage)
Inspect the condition of the oil channels of the VVT system
Check the integrity of the wiring harness and connectors
If necessary, replace the VVT solenoid valve
If mechanical damage is suspected, dismantle and inspect the phase shifter

Related codes

P0010 P0011 P0012 P0013 P0016