P0502
Vehicle Speed Sensor A Low Input
Generic code
Vehicle Speed and Idle Control System
High severity
Moderate repair
Free on OBD DashX
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What P0502 means
- The fault code P0502 indicates that there is a problem with the vehicle speed sensor circuit. This sensor is responsible for measuring the speed of the vehicle and sending this information to the engine control module. When the circuit is compromised, it can cause a range of issues related to engine performance and safety.
Possible symptoms
- Malfunctioning speedometer or odometer
- Harsh shifting or shifting problems
- Illuminated check engine light
- Poor acceleration or engine performance
- ABS system failure
Possible causes
- Failed vehicle speed sensor
- Damaged wiring or connections in the circuit
- Loose or corroded electrical connections
- Failed engine control module (ECM)
Related parts
- Vehicle Speed Sensor:
Possible solutions
- Replace the vehicle speed sensor
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0502 on OBD DashX
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