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Home / DTC / C2202 — Yaw Rate Sensor Signal Fault

C2202 — Yaw Rate Sensor Signal Fault

Detailed page for trouble code C2202.

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C2202

LAND ROVER C — Chassis

Yaw Rate Sensor Signal Fault

Brand: LAND ROVER
Type: C — Chassis
Views: UK: 9 EN: 16 RU: 9
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Page language: EN

Causes

  • Yaw rate sensor internal failure (MEMS gyro fault)
  • Damaged, corroded or loose sensor connector or wiring (open, short to power/ground, high resistance)
  • Poor sensor supply or ground (intermittent battery feed or chassis ground)
  • CAN or data-bus communication faults between sensor and vehicle dynamics/ABS module
  • Incorrect sensor orientation, mounting looseness or physical damage
  • Missing or failed sensor calibration/learn after replacement or battery disconnect

Symptoms

  • ABS/DSC/ESP/stability warning lamp illuminated
  • Traction control or stability control disabled or limited functionality
  • Inconsistent or unexpected traction/ABS interventions
  • Fault stored in vehicle control module and possible limp or reduced functionality messages
  • No direct engine performance changes, but steering/handling feel may be affected during stability events

What to check

  • Read all stored codes and freeze-frame data from ABS/vehicle dynamics module; note any additional or network codes
  • Visually inspect yaw rate sensor and harness for damage, corrosion, water ingress, or poor connections
  • Check sensor mounting — ensure correct orientation and tight fasteners
  • Measure sensor supply voltage and ground continuity at the connector with ignition on
  • Backprobe signal pin and observe output with multimeter/oscilloscope while rotating vehicle (or on a diagnostic tool live data)
  • Check CAN/data-bus integrity and other module communications for errors

Signal parameters

  • Typical yaw sensor outputs: analog center-biased voltage ~2.5 V with swing roughly 0.5–4.5 V under rotation (varies by sensor)
  • Some sensors provide digital/serial/CAN or SENT outputs — check manufacturer data for exact protocol and message rate
  • Signal should be stable at zero rotation (close to center voltage) and vary smoothly with rotation rate
  • Noisy, clipped, frozen or intermittent waveform indicates sensor or wiring problem
  • Expected update rate: tens to hundreds of Hz depending on sensor; latency should be low for stability control

Diagnostic algorithm

  1. Connect a capable diagnostic tool to read C2202 and any related codes, record freeze-frame/live data, then clear codes and attempt to reproduce.
  2. Inspect yaw rate sensor location, connector and harness for physical damage, corrosion, water ingress or loose mounting. Repair any wiring damage.
  3. With ignition on, measure sensor supply and ground at the connector. Confirm correct reference voltage and low resistance ground.
  4. Backprobe the signal output and check at rest (should be near center voltage) and while turning the vehicle slowly or using a diagnostic bidirectional test to produce rotation; use scope if available to verify waveform quality.
  5. Check steering angle and wheel speed sensor data simultaneously — yaw rate should correlate with vehicle/steering inputs. If yaw is absent or contradictory, fault is with yaw sensor or bus.
  6. Inspect CAN/data-bus for errors; verify other modules see yaw data. Repair any communication faults.
  7. If wiring and bus are good but signal is invalid/intermittent, replace yaw rate sensor with OEM-specified unit.
  8. After sensor replacement, perform required calibration/zero-point learn or vehicle dynamics module recalibration per manufacturer procedure.
  9. Clear codes and perform road test to confirm proper sensor behavior and that the DTC does not return.
  10. If fault persists after replacement and calibration, consider diagnosis or replacement of the vehicle dynamics/ABS control module and review for software updates/TSBs.

Likely causes

  • Wiring or connector problem at the yaw rate sensor (most common)
  • Failed yaw rate sensor unit
  • Poor ground or intermittent supply to sensor
  • Sensor not calibrated after service or replacement
  • Module communication fault (CAN) or control module internal error

Fault status

⚠️ Status
Yaw rate sensor signal fault stored. Stability control/ESC or traction control may be disabled and warning lamps illuminated. Intermittent or permanent faults possible depending on wiring, sensor or module condition.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

C2200 C2201 C2203 C0240 U0121 U0422
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