Code
C1367
HYUNDAI
C — Chassis
Yaw Rate Sensor Signal Fault
Views:
UK: 16
EN: 16
RU: 17
AI status
Completed
Completed
100%
Causes
- Yaw rate sensor electrical fault (open, short, intermittent connection)
- Corroded or loose sensor connector or wiring harness damage
- Damaged or failed yaw rate (gyro/MEMS) sensor
- Incorrect sensor mounting or sensor physically displaced/impacted
- Loss of sensor zero-point/offset calibration
- Faulty ABS/ESC control module or internal processing error
Symptoms
- ABS, ESC (VDC), or traction control warning light illuminated on cluster
- Stability/traction functions disabled or limited operation
- Vehicle may feel less stable in cornering or during emergency maneuvers
- Possible diagnostic fault history or intermittent warnings
- In some cases skid control messages or reduced power/limp modes depending on vehicle
What to check
- Read stored and pending codes and freeze-frame data with a capable scan tool
- Check live yaw rate sensor data at rest and during slow steering input
- Compare yaw rate output to steering angle and wheel speed sensors for plausibility
- Inspect sensor connector and wiring harness for corrosion, damage, pin push-out, or moisture
- Measure sensor supply voltage and ground at the connector with key ON
- Check CAN/LIN network status and related communication codes
Signal parameters
- Expected yaw rate at rest: approx. 0 deg/s (or near zero within sensor tolerance)
- Typical operating output: change in degrees/sec proportional to vehicle yaw (units may be deg/s or rad/s)
- Supply voltage: commonly 3.3 V or 5 V reference (verify manufacturer spec for exact value)
- Signal type: analog voltage centered at mid-supply or digital/CAN message depending on vehicle
- Acceptable noise/drift: small steady-state offset < ~0.5–2 deg/s (varies by sensor)
- Response: smooth, continuous change when vehicle is turning; no sudden dropouts or spikes
Diagnostic algorithm
- Connect scan tool and record all ABS/ESC/airbag/engine codes and freeze-frame data. Note when the code sets.
- View live data: monitor yaw rate, steering angle, and wheel speeds simultaneously. At rest yaw rate should be ~0; while turning yaw should change proportionally and match steering angle/wheel speed direction.
- With ignition ON, measure sensor supply voltage and ground at the sensor connector. Compare to expected value in service manual.
- Wiggle test wiring and connector while monitoring live yaw rate and scan tool for code appearance to find intermittent opens/shorts.
- Visually inspect and test continuity/resistance of harness between yaw sensor and ABS/ESC ECU; repair any damaged wiring, pins, or corrosion. Check grounds.
- If sensor uses CAN/LIN, verify bus voltages and messages, check for other nodes reporting bus errors. Repair network faults as needed.
- If wiring and power/ground are OK, substitute a known-good yaw sensor (if available) or bench-test/replace sensor per OEM procedure.
- After repair or sensor replacement, perform required zero-point / yaw sensor recalibration using the factory scan tool or approved calibration equipment and follow vehicle-specific procedures (some vehicles require a level surface and key cycle or road calibration).
- Clear codes and perform verification road test to confirm the code does not return and that yaw rate correlates with steering/wheel speed data.
- If problem persists with good sensor and wiring, investigate ABS/ESC ECU internal fault or program update; consult technical service bulletins and consider ECU replacement only after thorough verification.
Likely causes
- Damaged wiring or poor connector contact at yaw sensor
- Failed yaw rate sensor (internal fault or drift)
- Sensor mounting loosened or misaligned after impact or repair
- Lost calibration after battery disconnect or component replacement
Fault status
Status
Yaw Rate Sensor Signal Fault — yaw rate input missing, out-of-range, intermittent, or not plausible compared to vehicle motion. Stability control may be disabled.
Repair difficulty: Medium
Diagnostic time: 1.0 - 2.5 hours
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