P0235 Code - Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction
Quick Answer
The boost pressure sensor responds to pressure changes in the intake manifold. Common causes include Boost pressure sensor harness is open or shorted, Boost pressure sensor circuit poor electrical connection, Faulty boost pressure sensor. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0235 indicates Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction.
- Common causes
- Common causes include Boost pressure sensor harness is open or shorted, Boost pressure sensor circuit poor electrical connection, Faulty boost pressure sensor.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0235 Description
What are the Possible Causes of the DTC P0235?
- Boost pressure sensor harness is open or shorted
- Boost pressure sensor circuit poor electrical connection
- Faulty boost pressure sensor
- Faulty Turbo/Super Charger
- Engine over temperature
- Ignition misfire exceeds the calibrated threshold
- Faulty Knock sensor (KS)
How to Fix the DTC P0235?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0235 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Information for Specific Makes
- P0235 Acura — Turbocharger Boost Sensor Out of Range
- P0235 Chrysler — Boost Pressure Sensor Fault
- P0235 Ford — Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction
- P0235 Honda — Turbocharger Boost Sensor Out of Range
- P0235 Mercedes-Benz — Turbocharger Boost Sensor A Circuit Malfunction
- P0235 Volkswagen — Turbo/Super Charger Boost Sensor 'A' Circuit
Frequently Asked Questions about P0235 Code
1. What are the common symptoms of OBDII code P0235 (Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction)?
- Common symptoms include a lack of power, reduced engine performance, and potential surging or hesitation during acceleration.
2. What causes the Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction code (P0235)?
- The code is typically triggered by issues such as a faulty boost sensor, damaged wiring or connectors, a disconnected or damaged vacuum hose, or a problem with the turbocharger itself.
3. How can I diagnose the Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction?
- Diagnosing this code usually involves checking the boost sensor, inspecting the wiring and connectors for damage, verifying the integrity of vacuum hoses, and ensuring proper turbocharger operation.
4. Can a dirty air filter cause OBDII code P0235 to trigger?
- Yes, a dirty air filter can lead to restricted airflow and affect turbocharger or supercharger performance, potentially contributing to triggering the P0235 code.
5. Is it safe to continue driving with OBDII code P0235 present?
- It is not recommended to drive with the P0235 code active, as it can lead to further damage to the turbocharger or engine components and potentially result in more severe issues.
6. How can I clear the Turbocharger/Supercharger Boost Sensor 'A' Circuit Malfunction code?
- Clearing the code typically involves using an OBDII scanner to reset the vehicle's computer after addressing and fixing the underlying issue that triggered the P0235 code.
7. Can a DIY enthusiast repair OBDII code P0235 at home?
- Depending on the cause of the code, some DIY enthusiasts with automotive repair knowledge and tools may be able to address the P0235 code by replacing the boost sensor, repairing wiring, or fixing vacuum hose issues.
8. Will resetting the code make it go away permanently?
- Resetting the code without fixing the underlying issue will not make it go away permanently. The problem causing the P0235 code must be identified and resolved to prevent it from reoccurring.
9. How much does it typically cost to repair OBDII code P0235?
- The cost of repairing the P0235 code can vary depending on the root cause of the issue. Costs may include parts such as a new boost sensor, wiring repairs, or professional diagnostic fees if needed.
10. Is it necessary to visit a mechanic for OBDII code P0235, or can I fix it myself?
- While some individuals may be able to address the P0235 code on their own, consulting a mechanic is advisable, especially if unsure about diagnosing or repairing the issue to prevent further damage or misdiagnosis.
Discuss the causes and fixes for P0235 OBDII Code
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Hi I have this code, I have changed the boost pressure solenoid and it was working fine for a couple of weeks then it started again ? Same code p0235. In had the turbo cleaned and inspected all's well there iv checked all the hoses for leaks and there all ok ? So now I'm lost help???
Car is a 2011 Renault Laguna 2.0 dci 150
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