Dead or weak battery in the front right TPMS sensor; Failed front right TPMS sensor; Damaged or disconnected wiring or connector at the front right sensor; Radio frequency interference or signal blockage affecting sensor communication; Faulty TPMS receiver or module; Sensor not properly initialized or registered after a tire rotation or replacement; Physical damage to the sensor from road debris or tire service

DTC codes / C09xx · Brakes, steering and suspension / C0951

C0951Tire Pressure Monitoring Sensor Front Right

Q: What does code C0951 mean?

Tire Pressure Monitoring Sensor Front Right. C0951 indicates that the vehicle's computer has detected a fault with the front right tire pressure monitoring sensor (TPMS), which is responsible for measuring tire pressure and transmitting that data to the TPMS module. The computer typically sets this code when the sensor signal is missing, erratic, or out of range, or when the sensor fails to respond to a wake-up or initialization command.

C0951 indicates that the vehicle's computer has detected a fault with the front right tire pressure monitoring sensor (TPMS), which is responsible for measuring tire pressure and transmitting that data to the TPMS module. The computer typically sets this code when the sensor signal is missing, erratic, or out of range, or when the sensor fails to respond to a wake-up or initialization command.

SystemChassis

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaBrakes, steering and suspension

Symptoms you may notice

Tire Pressure Monitoring System (TPMS) warning light illuminated on the dashboard
Often no symptoms besides the warning light
Incorrect or missing tire pressure reading for the front right tire on the driver information display
Other TPMS-related warnings or messages, such as 'Tire Pressure Sensor Fault'
In some vehicles, the TPMS system may be disabled entirely, affecting all tire pressure readings

Common causes, most likely first

Dead or weak battery in the front right TPMS sensor
Failed front right TPMS sensor
Damaged or disconnected wiring or connector at the front right sensor
Radio frequency interference or signal blockage affecting sensor communication
Faulty TPMS receiver or module
Sensor not properly initialized or registered after a tire rotation or replacement
Physical damage to the sensor from road debris or tire service

How to diagnose and fix it

Verify the tire pressures are correct and adjust as needed; a severely underinflated tire can trigger TPMS faults.
Perform a TPMS reset or relearn procedure according to the manufacturer's instructions to see if the code clears.
Use a TPMS diagnostic tool to check the signal strength and battery status of the front right sensor.
Inspect the sensor and its wiring for physical damage, corrosion, or loose connections.
Test the sensor with a TPMS activation tool to confirm it responds and transmits data.
If the sensor is faulty, replace it with a compatible unit and perform a relearn procedure.
If the sensor is good but the code persists, diagnose the TPMS receiver or module and related wiring.

Common TPMS sensor pitfalls and diagnostics

A common mistake is replacing the sensor without checking the sensor's battery life; many sensors have a lifespan of 5-10 years, and a weak battery can cause intermittent faults.
After replacing a tire or rotating tires, the sensor IDs may need to be relearned to the vehicle's TPMS module; failing to do so can set a code for the wrong position.
Radio frequency interference from aftermarket electronics or nearby strong signals can cause temporary sensor communication faults that may not require parts replacement.
The code C0951 may be set by a faulty TPMS receiver rather than the sensor itself; always test the sensor's signal before condemning it.
Some vehicles require a specific TPMS reset procedure after tire inflation; not following it can lead to false codes.

Can I keep driving with C0951?

It is generally safe to continue driving with C0951, but you should manually check the front right tire pressure regularly until the fault is repaired, as the TPMS warning will not alert you to a pressure loss. Avoid ignoring the light for extended periods, especially if you notice handling changes or uneven tire wear.

Tools that help

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Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.