Quick Answer

P063C means: P063C indicates a problem with the throttle or pedal position sensor range or performance.

Fix: Check and replace faulty components Cost: $100 - $300 Time: 90-180 minutes

Can I drive with P063C? Immediate attention is recommended to avoid further engine issues.

Common Questions

What does P063C mean and how does it affect my car?

The P063C code signifies that the throttle or pedal position sensor isn't functioning correctly. This can lead to poor acceleration, increased fuel consumption, and overall reduced vehicle performance. Addressing this issue promptly is important to prevent more serious engine problems.

What are the most common causes of P063C and how much does it cost to fix?

Common causes include a faulty throttle position sensor, wiring issues, or a malfunctioning ECM. Repair costs can vary widely, ranging from $100 for a sensor replacement to over $1,500 for ECM replacement, depending on the underlying issue.

Can I drive my car with P063C or should I stop immediately?

It's advisable to limit driving if you see the P063C code, as it indicates a potential safety issue. Continuing to drive can lead to further engine damage, reduced fuel efficiency, and unexpected stalling.

How can I diagnose P063C myself using GeekOBD APP?

You can use the GeekOBD APP to scan for trouble codes and retrieve freeze frame data. This will help you understand the conditions under which the P063C code was triggered, allowing for more targeted troubleshooting.

What vehicles are most commonly affected by P063C?

The P063C code is frequently seen in vehicles like the 2015-2019 Ford F-150, 2015-2018 Chevrolet Silverado, and certain models from Nissan and Toyota. Always check for specific recalls or technical service bulletins related to your vehicle's make and model.

How can I prevent P063C from happening again?

Regular maintenance, including cleaning the throttle body, checking electrical connections, and replacing worn sensors, can help prevent the recurrence of the P063C code. It's also beneficial to keep an eye on engine performance and address any irregularities promptly.

What is P063C?

The DTC P063C code indicates a problem with the throttle position or pedal position sensor range or performance. This code is part of the OBD-II diagnostic trouble codes that vehicles use to identify issues within their systems. When this code appears, it typically means that the engine control module (ECM) has detected an inconsistency or malfunction in the throttle or pedal position sensor signals. These sensors are crucial components that relay the driver's intentions to the engine management system. A malfunction can lead to a range of issues, including poor engine performance, reduced fuel efficiency, and even stalling. In practical terms, if your dashboard displays the P063C code, you might notice symptoms like a rough idle, a decrease in acceleration response, or the check engine light illuminating. Addressing this issue promptly is essential to ensuring your vehicle operates smoothly and safely. Ignoring it could lead to further engine problems or compromised drivability, especially in vehicles that rely heavily on electronic throttle control, such as many modern trucks and sedans.

System: P - Powertrain (Engine, Transmission, Emissions)

Symptoms

Common symptoms when P063C is present:

  • Check engine light illuminates and stays on constantly, indicating a persistent issue that needs attention.
  • Engine hesitates during acceleration, making it feel like the vehicle is not responding to the driver's commands as expected.
  • Fuel economy decreased by 10-15%, leading to higher fuel costs and frequent refueling.
  • Rough idling when the car is at a stop, making the engine sound uneven and unstable.
  • Loss of power during driving, especially when trying to accelerate or climb steep hills.

Possible Causes

Most common causes of P063C (ordered by frequency):

  1. Faulty throttle position sensor - This is the most common cause, accounting for approximately 60% of P063C codes. The sensor may have worn out due to age or exposure to extreme conditions.
  2. Wiring issues or bad connections - This can include frayed wires or loose connectors, which can disrupt the signal transmission between the sensors and the ECM.
  3. Faulty accelerator pedal position sensor - This can also trigger the P063C code, as the ECM may detect a discrepancy in the signal received from the pedal.
  4. ECM malfunction - Though less common, a defective ECM can lead to incorrect readings from the sensors, causing the P063C code to trigger.
  5. Dirty throttle body - Accumulation of carbon deposits can affect the throttle body's performance, leading to inconsistencies in sensor readings.

P063C Repair Costs

Cost Breakdown by Repair Type

Throttle Position Sensor Replacement

Replacing the faulty throttle position sensor with a new unit.

  • Total: $100 - $300
  • Success rate: 95%
Wiring Repair

Repairing or replacing damaged wiring or connectors related to the throttle position sensor.

  • Total: $50 - $150
  • Success rate: 90%
ECM Replacement

Replacing a faulty ECM if diagnosed as the root cause of the P063C code.

  • Total: $500 - $1,500
  • Success rate: 85%
Money-Saving Tips for P063C
  • Start with the most common and least expensive repairs first
  • Use GeekOBD APP to confirm diagnosis before replacing expensive parts
  • Consider preventive maintenance to avoid future occurrences
  • Compare prices for OEM vs aftermarket parts based on your needs
  • Address the issue promptly to prevent more expensive secondary damage

Diagnostic Steps

Professional P063C Diagnosis Process

Follow these systematic steps to accurately diagnose P063C. Each step builds on the previous one to ensure accurate diagnosis.

Step 1: Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes)

Step 1: Initial visual inspection - Check for obvious signs like damaged wiring, loose connections, or corrosion (5-10 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 2: Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes)

Step 2: OBD2 scan with GeekOBD APP - Retrieve all codes and freeze frame data to understand the fault context (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 3: Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, focusing on the throttle position sensor (20-30 minutes)

Step 3: Component testing - Use a multimeter or specific diagnostic tools to test suspected components, focusing on the throttle position sensor (20-30 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 4: Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes)

Step 4: System function test - Verify proper operation after repairs and clear codes using the GeekOBD APP (10-15 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.
Step 5: Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and monitor for reoccurring codes (15-20 minutes)

Step 5: Road test verification - Drive the vehicle under various conditions to confirm repair success and monitor for reoccurring codes (15-20 minutes).

GeekOBD APP Tip: Use GeekOBD APP to monitor real-time data during this diagnostic step for accurate results and professional-grade analysis.

Important Notes

  • Always verify the repair with GeekOBD APP after completing diagnostic steps
  • Clear codes and test drive to ensure the problem is resolved
  • Address underlying causes to prevent code recurrence

Real Repair Case Studies

Case Study 1: Throttle Position Sensor Replacement in a 2017 Ford F-150

Vehicle: 2017 Ford F-150, 45,000 miles

Problem: Customer reported a check engine light and decreased acceleration response.

Diagnosis: Performed OBD scan and confirmed P063C code. Visual inspection showed a faulty throttle position sensor.

Solution: Replaced the throttle position sensor and cleared the code.

Cost: $150 (sensor cost: $100, labor: $50)

Result: Customer reported improved acceleration and no reoccurrence of the check engine light.

Case Study 2: Wiring Issues in a 2016 Chevrolet Silverado

Vehicle: 2016 Chevrolet Silverado, 60,000 miles

Problem: Customer experienced engine hesitation and check engine light on.

Diagnosis: Found damaged wiring leading to the throttle position sensor after scanning for codes and testing components.

Solution: Repaired the wiring and ensured all connections were secure.

Cost: $120 (repair cost: $70, labor: $50)

Result: Issue resolved with no further symptoms, and customer expressed satisfaction with the repair.

Diagnose P063C

Use GeekOBD APP for professional diagnosis!

  • Real-time data monitoring
  • Advanced diagnostic features
  • Step-by-step repair guidance
  • Professional-grade analysis

Code Information

Code: P063C
System: Powertrain (Engine, Transmission, Emissions)
Severity: HIGH
Category: Engine Codes