P1771 Mazda Code - Throttle Position Sensor Open Circuit
Quick Answer
P1771 Mazda indicates Throttle Position Sensor Open Circuit. Common causes include Faulty Throttle Position (TP) Sensor, Throttle Position (TP) Sensor harness is open or shorted, Throttle Position (TP) 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
- P1771 Mazda indicates Throttle Position Sensor Open Circuit.
- Common causes
- Common causes include Faulty Throttle Position (TP) Sensor, Throttle Position (TP) Sensor harness is open or shorted, Throttle Position (TP) 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 P1771 Mazda Description
What are the Possible Causes of the DTC P1771 Mazda?
- Faulty Throttle Position (TP) Sensor
- Throttle Position (TP) Sensor harness is open or shorted
- Throttle Position (TP) Sensor circuit poor electrical connection
How to Fix the DTC P1771 Mazda?
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 P1771 Mazda 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 P1771 Mazda Code
1. What does the OBDII code P1771 mean on a Mazda?
P1771 on a Mazda indicates a Throttle Position Sensor (TPS) Open Circuit, meaning the ECU is detecting an issue with the electrical circuit of the TPS.
2. What are the symptoms of a P1771 code on a Mazda?
Common symptoms include poor acceleration, erratic idling, hesitation during throttle application, reduced fuel efficiency, and the Check Engine Light turning on.
3. What causes the P1771 code to appear in a Mazda?
The primary causes are a faulty throttle position sensor, damaged or corroded wiring, loose electrical connections, or a malfunctioning ECU.
4. How do you diagnose a P1771 code in a Mazda?
Start by inspecting the TPS and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit, and confirm the sensor’s output is within specifications.
5. Can I drive my Mazda with a P1771 code?
While the car may still be drivable, it can experience performance issues like poor throttle response, which could lead to unsafe driving conditions. It’s best to address the issue promptly.
6. How do you fix a P1771 code on a Mazda?
Repairs typically involve replacing the throttle position sensor, repairing damaged wiring, cleaning corroded connectors, or reprogramming the ECU if necessary.
7. How much does it cost to repair a P1771 code on a Mazda?
The cost can range from $100 to $300, depending on whether you replace the TPS, repair wiring, or require professional diagnostics.
8. Can a dirty throttle body cause a P1771 code?
No, a dirty throttle body does not directly cause a P1771 code, but cleaning it during diagnostics is a good practice to rule out related issues.
9. Do I need to reprogram the ECU after fixing a P1771 code?
In most cases, reprogramming the ECU is not required. However, clearing the code with a scan tool and performing a throttle relearn procedure may be necessary.
10. What tools are needed to fix a P1771 code on a Mazda?
Common tools include a multimeter, OBDII scan tool, basic hand tools, and possibly a throttle relearn-capable diagnostic device.
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