P138D Ford Code - Turbocharger/Supercharger Boost Control 'A' Temperature Too High
Quick Answer
The Powertrain Control Module (PCM) monitors the Turbocharger/Supercharger Boost Control 'A'. Common causes include Faulty Turbocharger/Supercharger Boost Control 'A', Turbocharger/Supercharger Boost Control 'A' harness is open or shorted, Turbocharger/Supercharger Boost Control 'A' circuit poor electrical connection. 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
- P138D Ford indicates Turbocharger/Supercharger Boost Control 'A' Temperature Too High.
- Common causes
- Common causes include Faulty Turbocharger/Supercharger Boost Control 'A', Turbocharger/Supercharger Boost Control 'A' harness is open or shorted, Turbocharger/Supercharger Boost Control 'A' circuit poor electrical connection.
- 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 P138D Ford Description
What are the Possible Causes of the DTC P138D Ford?
- Faulty Turbocharger/Supercharger Boost Control 'A'
- Turbocharger/Supercharger Boost Control 'A' harness is open or shorted
- Turbocharger/Supercharger Boost Control 'A' circuit poor electrical connection
How to Fix the DTC P138D Ford?
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 P138D Ford 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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Frequently Asked Questions about P138D Ford Code
1. What are the common symptoms of OBDII code P138D in a Ford vehicle?
- Common symptoms include reduced engine performance, hesitation during acceleration, and potentially an illuminated check engine light.
2. What could be causing the OBDII code P138D indicating Turbocharger/Supercharger Boost Control 'A' Temperature Too High in my Ford?
- Possible causes could be a faulty turbocharger or supercharger, a malfunctioning boost control sensor, or a problem with the cooling system for the turbocharger.
3. How serious is the Turbocharger/Supercharger Boost Control 'A' Temperature Too High code in a Ford?
- This code should be taken seriously as it can lead to reduced engine efficiency and potential long-term damage if left unresolved.
4. Can driving with the P138D code active cause further damage to my Ford's engine?
- Continuously driving with this code can potentially cause damage to the turbocharger or supercharger, leading to more expensive repairs down the line.
5. What are some DIY repair tips for resolving the OBDII code P138D in a Ford?
- DIY repair tips include checking for loose or damaged hoses in the boost system, ensuring proper coolant levels, and inspecting the turbocharger/supercharger for any visible issues.
6. Is it safe to continue driving my Ford with the Turbocharger/Supercharger Boost Control 'A' Temperature Too High code?
- It is not recommended to continue driving the vehicle with this code active, as it can impact engine performance and potentially cause further damage.
7. How can I reset the OBDII code P138D in my Ford after making necessary repairs?
- You can reset the code using an OBDII scanner or by disconnecting the car's battery for a few minutes to clear the error code.
8. Will the OBDII code P138D in a Ford reset itself after a certain number of drive cycles?
- The code may reset itself after several drive cycles if the issue has been resolved, but it is recommended to manually clear the code after making repairs.
9. Are there any specific Ford models known to be more prone to the Turbocharger/Supercharger Boost Control 'A' Temperature Too High issue?
- While this issue can occur in various Ford models with turbocharged engines, it may be more common in vehicles with higher mileage or those subjected to heavy loads.
10. How much can I expect to pay for professional repairs related to the OBDII code P138D in a Ford?
- Repair costs for this code can vary depending on the exact cause of the issue, but they typically range from $200 to $800 at a dealership or auto repair shop.
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