P1527 Code - Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
Quick Answer
With the engine runtime over 5 seconds, system voltage from 10-16v, Transmission Range Switch does not indicate an illegal position, TFP Manual Valve Position switch does not indicate an illegal position, the Powertrain Control Module (PCM) detects that the TR and TFP switches indicated different gears for 7.8 seconds. Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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
- P1527 indicates Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range.
- Common causes
- Common causes include Faulty Throttle Position Sensor, Throttle Position Sensor harness is open or shorted, Throttle Position Sensor 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 P1527 Description
What are the Possible Causes of the DTC P1527?
- Faulty Throttle Position Sensor
- Throttle Position Sensor harness is open or shorted
- Throttle Position Sensor circuit poor electrical connection
How to Fix the DTC P1527?
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 P1527 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
- P1527 Audi — Intake Camshaft Control Circuit Bank 1 Short to Ground
- P1527 BMW — Camshaft Position Actuator 'A' Control Circuit Signal Low Bank 1
- P1527 Buick — Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
- P1527 Cadillac — Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
- P1527 Chevrolet — Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
- P1527 GMC — Throttle Position Sensor Learned Closed Throttle Degrees Out Of-Range
- P1527 Hyundai — Sensor Supply Voltage 2 Malfunction
- P1527 Mazda — Bypass Air Solenoid Valve Short / Open Circuit
- P1527 MINI — Camshaft Position Actuator 'A' Control Circuit Signal Low Bank 1
- P1527 Volkswagen — Intake Camshaft Control Circuit Bank 1 Short to Ground
Frequently Asked Questions about P1527 Code
1. What are the common symptoms of OBDII code P1527?
The common symptoms of OBDII code P1527 include poor acceleration, rough idling, stalling, and the vehicle going into "limp mode."
2. What does the OBDII code P1527 indicate?
OBDII code P1527 indicates that the throttle position sensor has learned closed throttle degrees that are out of the acceptable range set by the vehicle's engine control module.
3. What are the possible causes of OBDII code P1527?
Possible causes of OBDII code P1527 include a faulty throttle position sensor, a dirty throttle body, a vacuum leak, or issues with the wiring or connectors related to the throttle position sensor.
4. How can I diagnose the cause of OBDII code P1527?
Diagnosing OBDII code P1527 usually involves performing a visual inspection of the throttle position sensor and related components, checking for vacuum leaks, and using a scan tool to monitor sensor data and perform a throttle relearn procedure.
5. Can I continue driving my vehicle with OBDII code P1527?
It is not recommended to continue driving your vehicle with OBDII code P1527, as it can lead to poor performance and potential safety issues. It is best to address the underlying cause of the code as soon as possible.
6. How can I repair OBDII code P1527?
Repairing OBDII code P1527 may involve cleaning the throttle body, replacing the throttle position sensor, fixing any vacuum leaks, or repairing any damaged wiring or connectors. Performing a throttle relearn procedure may also be necessary.
7. Does OBDII code P1527 require a trip to the dealership for repair?
While some cases of OBDII code P1527 may require specialized tools or knowledge, many can be addressed by a qualified independent mechanic or DIY enthusiast with the right tools and resources.
8. Can a faulty throttle position sensor cause OBDII code P1527?
Yes, a faulty throttle position sensor is a common cause of OBDII code P1527. The sensor may be sending incorrect signals to the engine control module, causing it to learn closed throttle degrees that are out of range.
9. How long does it typically take to repair OBDII code P1527?
The time it takes to repair OBDII code P1527 can vary depending on the exact cause of the issue and the availability of parts. In general, a straightforward repair may take a few hours to complete.
10. Will resetting the OBDII code P1527 make it go away permanently?
Resetting OBDII code P1527 may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to return. It is important to diagnose and repair the cause of the code to prevent it from coming back.
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