High severity
P003BExceeded Turbocharger Boost Adaptation Limit for Secondary Turbo
Part
Turbine Actuator
Part price
$150
At a workshop
$250
You save
$100
How to read code P003B
P
System
Powertrain (engine and transmission)
0
Code type
Generic code (SAE / OBD-II)
0
Subsystem
General system / auxiliary measurement
3B
Fault number
Specific fault within the subsystem
Symptoms
- Loss of power in low or high RPM range
- Check engine light and diagnostic mode
- Unstable turbo operation
Possible causes
- Clogged secondary turbo actuator mechanism (in biturbo systems)
- Electronically actuated actuator damage
- Leakage in the variable geometry control system
Diagnostic steps
- 1Check the electronic turbine actuator operation
- 2Inspect connections on the variable geometry mechanism
- 3Diagnose actual boost parameters during a test drive
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Frequently asked questions about P003B
What does code P003B mean?
P003B: Exceeded Turbocharger Boost Adaptation Limit for Secondary Turbo.
What are the symptoms of code P003B?
Loss of power in low or high RPM range; Check engine light and diagnostic mode; Unstable turbo operation.
What causes code P003B?
Clogged secondary turbo actuator mechanism (in biturbo systems); Electronically actuated actuator damage; Leakage in the variable geometry control system.
Can I drive with code P003B?
LIMP MODE – You may drive carefully to the nearest workshop only.
How much does it cost to fix code P003B?
The part (Turbine Actuator) costs about $150, and a mechanic’s labour about $100.
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