c1721 function code data from front right transmitter is malfunctioning 2
C1721 Function Code Data from Front Right Transmitter is Malfunctioning 2
- OBD2 Code: C1721
- Description: Function code data from front right transmitter is malfunctioning.
- Definition: This diagnostic trouble code (DTC) indicates an issue with the signal or data transmission from the front right wheel speed sensor or transmitter. It may be caused by a faulty sensor, wiring issues, or a problem with the vehicle’s ABS system.
C1721 – Front Right Transmitter Malfunctioning 2
Typical Severity: Critical
Common Causes
C1721 – Function code data from front right transmitter is malfunctioning 2
Common causes:
- Defective front right tire pressure sensor
- Low tire pressure in the front right tire
- Interference or signal disruption affecting the transmitter
- Faulty wiring or connections related to the front right transmitter
Common Misdiagnosis
OBD2 Code: C1721
Description: Data from front right transmitter is malfunctioning 2
Common Misdiagnosis: Faulty sensor or wiring issues are often misdiagnosed as a problem with the tire pressure monitoring system (TPMS) module.
Common Diagnostic Steps
OBD2 Code: C1721
Description: Data from front right transmitter is malfunctioning.
Common Diagnostic Steps:
- Inspect the front right wheel speed sensor for any physical damage or disconnection.
- Check the wiring harness and connectors leading to the front right transmitter for signs of wear, corrosion, or loose connections.
- Use a diagnostic scan tool to read live data from the wheel speed sensors and compare readings with other wheels to identify discrepancies.
- Test the continuity and resistance of the wheel speed sensor circuit using a multimeter.
- If applicable, update or reprogram the vehicle’s control module software as per manufacturer recommendations.
- If all tests pass but the issue persists, consider replacing the front right wheel speed sensor or transmitter unit.