P1502
Vehicle Speed Sensor Intermittent
P1502 is an OBD-II diagnostic trouble code meaning: Vehicle Speed Sensor Intermittent. Common causes: poor electrical connection of the speed sensor, open or short circuit in sensor wiring. Estimated repair cost: $17–56.
Symptoms
- Unstable idle speed
- Incorrect speedometer operation
- Cruise control failure
- Problems with automatic transmission gear shifting
- Check Engine Light Illuminates
Causes
- Poor electrical connection of the speed sensor
- Open or short circuit in sensor wiring
- Faulty Vehicle Speed Sensor (VSS)
- Damage to the sensor drive gear
- Engine ECU malfunction
How to Fix
- Check the electrical connections of the speed sensor and wiring harness
- Check the integrity of the wiring from the sensor to the ECU
- Check the resistance and output signal of the speed sensor
- If necessary, replace the speed sensor
- Clear fault code and test drive
Related codes
Error P1502 by Vehicle Brand
FAQ
What does the P1502 code mean?
P1502 is an OBD-II diagnostic trouble code that indicates: Vehicle Speed Sensor Intermittent
What causes a P1502 error code?
The most common causes of P1502 include: Poor electrical connection of the speed sensor; Open or short circuit in sensor wiring; Faulty Vehicle Speed Sensor (VSS); Damage to the sensor drive gear.
How do I fix a P1502 diagnostic trouble code?
To fix P1502: Check the electrical connections of the speed sensor and wiring harness. Check the integrity of the wiring from the sensor to the ECU. Check the resistance and output signal of the speed sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1502?
Yes, but get it checked soon
How much does it cost to fix P1502?
The estimated repair cost for P1502 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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