P1502 Code - Vehicle Speed Sensor Intermittent
Quick Answer
Indicates the Powertrain Control Module (PCM) detected an error in the vehicle speed information. Common causes include Faulty Vehicle speed sensor, Vehicle speed sensor harness is open or shorted, Vehicle speed sensor electrical 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
- P1502 indicates Vehicle Speed Sensor Intermittent.
- Common causes
- Common causes include Faulty Vehicle speed sensor, Vehicle speed sensor harness is open or shorted, Vehicle speed sensor electrical 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 P1502 Description
What are the Possible Causes of the DTC P1502?
- Faulty Vehicle speed sensor
- Vehicle speed sensor harness is open or shorted
- Vehicle speed sensor electrical circuit poor electrical connection
- Faulty Wheel Speed Sensors
- Wheel Speed Sensors harness is open or shorted
- Wheel Speed Sensors electrical circuit poor electrical connection
How to Fix the DTC P1502?
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 P1502 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
- P1502 Audi — Fuel Pump Relay Circuit Short To Positive
- P1502 BMW — Idle Speed Control Valve Closing Solenoid Control Circuit Signal High or Low
- P1502 Buick — Theft Deterrent Fuel Enable Signal Not Received
- P1502 Cadillac — Theft Deterrent Fuel Enable Signal Not Received
- P1502 Chevrolet — Theft Deterrent Fuel Enable Signal Not Received
- P1502 Chrysler — Vehicle Speed Sensor 1/2 Correlation Non Drive Wheels
- P1502 Dodge — Vehicle Speed Sensor 1/2 Correlation Non Drive Wheels
- P1502 Ford — Vehicle Speed Sensor Intermittent
- P1502 GMC — Theft Deterrent Fuel Enable Signal Not Received
- P1502 Hyundai — Battery Not Charging
- P1502 Jeep — Vehicle Speed Sensor 1/2 Correlation Non Drive Wheels
- P1502 KIA — Battery Not Charging
- P1502 Lincoln — Vehicle Speed Sensor Intermittent
- P1502 Mazda — Vehicle Speed Signal Malfunction
- P1502 Mercury — Vehicle Speed Sensor Intermittent
- P1502 MINI — Idle Speed Control Valve Closing Solenoid Control Circuit Signal High or Low
- P1502 Mitsubishi — Vehicle Speed Sensor 1/2 Correlation Non Drive Wheels
- P1502 Subaru — Radiator Fan Function Problem
- P1502 Volkswagen — Fuel Pump Relay Circuit Short To Positive
Frequently Asked Questions about P1502 Code
1. What are the common symptoms of OBDII code P1502 (Vehicle Speed Sensor Intermittent)?
The common symptoms of P1502 include erratic speedometer readings, cruise control issues, and the illumination of the Check Engine Light.
2. What could cause OBDII code P1502 to trigger?
The Vehicle Speed Sensor (VSS) malfunctioning or experiencing intermittent electrical connection issues can trigger code P1502.
3. How does the Vehicle Speed Sensor (VSS) affect the vehicle's performance?
The VSS provides crucial data to various vehicle systems, such as the speedometer, cruise control, and transmission control module, impacting their functionality.
4. What are some DIY repair tips for addressing OBDII code P1502?
Check the VSS wiring harness for damage or loose connections, inspect the sensor for debris or corrosion, and consider replacing the VSS if necessary.
5. Can driving with OBDII code P1502 cause further damage to the vehicle?
Continuing to drive with code P1502 may lead to inaccurate speed readings, potential transmission issues, and reduced fuel efficiency, so it's advisable to address the problem promptly.
6. How can a mechanic diagnose OBDII code P1502?
A mechanic can use a professional OBDII scanner to retrieve the code, perform a visual inspection of the VSS and its wiring, conduct tests to verify sensor functionality, and clear the code for further monitoring.
7. Is it safe to ignore OBDII code P1502 if the vehicle seems to be driving fine?
Even if the vehicle seems to be driving normally, it's essential to address code P1502 promptly to prevent potential safety hazards, transmission problems, or further damage to other components.
8. What are the typical repair costs associated with fixing OBDII code P1502?
The repair costs for resolving code P1502 can vary depending on the root cause, but they typically range from $100 to $300 for parts and labor.
9. Can a faulty Vehicle Speed Sensor (VSS) affect the vehicle's fuel economy?
Yes, a malfunctioning VSS can impact the vehicle's fuel economy by causing inaccuracies in speed-dependent systems like the transmission, leading to inefficient performance.
10. How long does it take to repair OBDII code P1502 related to the Vehicle Speed Sensor?
The repair time for code P1502 can vary based on the exact issue with the VSS, but a skilled mechanic can typically diagnose and fix the problem within 1 to 2 hours.
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