P3008low severityPowertrain
Turbo/Supercharger Bypass Valve Control Circuit
on 2005 Jeep Wrangler 2.4L I4 · 4WD
What this code means
The turbo bypass valve (diverter valve/blow-off valve) control circuit has a malfunction. The bypass valve recirculates pressurized air during throttle closure.
Symptoms
- Check Engine Light
- Compressor surge on deceleration
- Flutter noise from turbo
- Reduced boost response after throttle lift
- Check Engine Light after spirited driving
Common causes
- Faulty bypass valve solenoid
- Torn bypass valve diaphragm
- Wiring issue to solenoid
- Vacuum line leak
- PCM driver failure
Diagnostic steps
- Test bypass valve solenoid resistance
- Inspect vacuum lines to bypass valve
- Command solenoid with scan tool
- Check valve diaphragm for tears
- Inspect wiring and connector
Repair notes
Replace bypass valve or solenoid. Inspect vacuum hoses for cracks.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1