Code
C1313
HYUNDAI
C — Chassis
Sensor 2 Radio Frequency Channel Failure | Front Right Sensor RF Channel Failure
Views:
UK: 15
EN: 23
RU: 14
AI status
Completed
Completed
100%
Causes
- Dead or weak TPMS sensor battery
- Failed/defective TPMS sensor (internal electronics)
- Incorrectly programmed or missing sensor ID in ECU
- Physical damage to the sensor (valve, stem, housing)
- Antenna/receiver module fault, wiring or connector issue
- RF interference or wrong regional frequency (mismatch)
Symptoms
- TPMS warning light illuminated or flashing
- No pressure/temperature data shown for front right wheel in scan tool
- Intermittent TPMS warnings for front right or other sensors
- Unable to relearn or register sensor during TPMS service procedure
- Occasional confusing/multiple TPMS messages after tire service
What to check
- Connect a TPMS diagnostic tool and read freeze-frame and live data; confirm only front right sensor is missing or failing
- Check for related codes (other TPMS sensors, receiver/BCM communication faults)
- Visually inspect the front right sensor and valve stem for physical damage, corrosion or seal failure (remove tire if needed)
- Attempt to wake/read the FR sensor with a TPMS activator at the wheel (verify sensor responds)
- Verify sensor ID programmed in ECU matches the physical sensor (if ID known)
- Inspect receiver/antenna wiring, connectors and grounds for damage or corrosion
Signal parameters
- Typical TPMS RF frequency: 315 MHz (North America) or 433 MHz (Europe/Asia) — confirm vehicle spec
- Sensor battery nominal ~3.0 V (service limit typically ~2.6–2.9 V depending on sensor)
- Transmission interval: idle ~30–60 seconds, during rotation/pulse rate increases with wheel speed
- Data includes sensor ID, pressure, temperature and battery status; receiver should report RSSI/response when interrogated
- Expected RF reception: a readable RSSI value on scan tool; complete lack of packets indicates channel failure
Diagnostic algorithm
- Verify and record DTCs with a diagnostic scanner; note any other chassis/BCM codes.
- Use a TPMS scan tool to attempt to read the front right sensor ID and live data at the wheel. If tool reads it, clear codes and road test to confirm.
- If sensor does not respond, attempt to wake the sensor with an activator while monitoring the scanner. Try from different positions around the wheel to rule out antenna blind spots.
- Inspect the wheel/tire assembly: remove tire if necessary and inspect sensor hardware and valve stem for damage, corrosion, or missing parts.
- Swap a known-good sensor (if available) to the front right position and retest to determine if the ECU/receiver can read that sensor (isolates sensor vs receiver problem).
- Inspect receiver/antenna wiring and connectors at the TPMS receiver or BCM for corrosion, loose connectors, or wiring damage. Repair as needed.
- Verify sensor frequency/part number matches vehicle requirement (regional mismatch can prevent reception). Replace sensor if frequency or part is incorrect.
- Re-learn/register the sensor ID using manufacturer TPMS learn procedure or scanner. Clear DTCs and perform a road test to confirm the code does not return.
- If replacement sensor and learning fail and wiring/antenna are good, consider module/BCM or receiver replacement and check for software updates from manufacturer.
- After repairs, clear codes and verify system operation during a road test and with the TPMS tool.
Likely causes
- TPMS sensor battery exhausted or sensor failed
- Sensor ID not learned or lost from ECU after service/rotation
- Sensor damaged during tire service (valve stem break, corrosion)
- Antenna/module wiring or connector fault at receiver
Fault status
Status
Front right wheel sensor RF channel failure — TPMS cannot receive/decode sensor 2 signal.
Repair difficulty: Medium
Diagnostic time: 0.5-2.0 hours
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