Turbocharger Boost Control 'B' Position Sensor Circuit Range/Performance
The P2065 code means the vehicle's onboard diagnostic system has detected: Turbocharger Boost Control 'B' Position Sensor Circuit Range/Performance. This is a moderate severity code.
- Keep driving?
- Short distances only
- DIY difficulty
- moderate
- Estimated cost
- $150 - $800 (parts and labor)
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Common Symptoms
- Check Engine Light on
- Inconsistent turbo boost
- Reduced engine power
- Hesitation on acceleration
- Boost pressure fluctuates
Probable Causes (Ranked by Likelihood)
- Boost control B sensor reading outside expected range Very High
- Carbon buildup affecting turbo vane movement High
- Worn actuator linkage for B control Moderate
- Intermittent connector issue Low
Step-by-Step Diagnostic Procedure
-
Monitor B sensor data during varying engine loads
-
Check turbo vane operation for restrictions
-
Inspect B actuator linkage for wear
-
Compare B sensor to A sensor readings
Frequently Asked Questions
What does P2065 mean?
P2065 indicates: Turbocharger Boost Control 'B' Position Sensor Circuit Range/Performance. The ECM has detected a problem with the turbocharger boost control system.
Can a dirty turbo cause this code?
Yes, carbon and soot buildup on the VGT (Variable Geometry Turbo) vanes is a common cause of boost control codes, especially on diesel engines. Cleaning the turbo vanes can sometimes resolve the issue.
How much does a turbo repair cost?
Sensor and actuator repairs typically cost $150 to $600. If the turbocharger itself needs replacement, costs can reach $1500 to $3000 including labor.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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