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Home / DTC / C2164 — Yaw Rate Sensor Circuit Range/Performance

C2164 — Yaw Rate Sensor Circuit Range/Performance

Detailed page for trouble code C2164.

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C2164

Generic C — Chassis

Yaw Rate Sensor Circuit Range/Performance

Brand: Generic
Type: C — Chassis
Views: UK: 1 EN: 3 RU: 1
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Page language: EN

Causes

  • Faulty yaw rate (yaw rate/gyroscope) sensor
  • Open, short or high-resistance wiring in sensor power, ground or signal circuit
  • Corroded/loose connector or pins at sensor or ABS/VDC module
  • Faulty ABS/ESC/VDC control module or internal circuitry
  • CAN bus/serial communication error between sensor and control module
  • Sensor contaminated or physically damaged (impact, water intrusion)

Symptoms

  • Stability control / ESC / VDC warning lamp illuminated
  • Traction control and ABS indicator lights may be on or flashing
  • Loss or reduction of vehicle stability control and limited ABS/ESC functionality
  • Unexpected or aggressive traction/braking intervention during turns
  • Stored accompanying codes for steering angle sensor, wheel speed sensors, or communication faults

What to check

  • Read and record all stored DTCs (ABS, airbag, powertrain, body) with a capable scan tool
  • Inspect yaw rate sensor connector and wiring harness for damage, corrosion, pin push-out, or water intrusion
  • Check fuses and relays related to ABS/ESC and sensor power circuits
  • With ignition on, monitor live data: yaw rate signal value (deg/s), sensor supply voltage and signal voltage or CAN messages
  • Compare yaw rate reading to steering angle/wheel speed: straight-ahead should be ~0 deg/s; yaw should change smoothly during turns
  • Backprobe sensor harness to measure supply (typically 5 V reference), ground continuity and signal waveform/voltage

Signal parameters

  • Typical yaw rate sensor interfaces: analog signal (0–5 V) with ~2.5 V zero-rate bias and ± output proportional to deg/s; sensitivity commonly in the range 0.01–0.05 V per °/s (manufacturer specific)
  • Supply/reference voltage: usually regulated ~5.0 V (check exact spec for vehicle)
  • Ground: low resistance to chassis (
  • Digital/CAN sensors: sensor reports yaw rate as a CAN message at a regular update rate (often 10–100+ Hz); idle CAN differential voltage ~2.5 V (CANH/CANL ~2.5 V)
  • Expected live-data behavior: ~0.0–0.5°/s at straight-ahead, smoothly increasing positive or negative values during left/right yaw; no abrupt spikes or saturation when vehicle is within normal operating maneuvers

Diagnostic algorithm

  1. Verify the code and capture freeze-frame/live data with a scan tool. Note related ABS/ESC or communication codes.
  2. Visual inspection: inspect sensor location, mounting, connector for corrosion, damage, water ingress or loose mounting. Repair as needed.
  3. Check power and ground: with key on, backprobe sensor connector and verify reference supply voltage (≈5 V) and a good ground. Repair wiring if supply/ground is out of spec.
  4. Check signal: measure signal voltage at rest (straight wheels) and while slowly rotating vehicle or rotating the vehicle on a lift (careful, follow safe procedures). For analog sensors expect ~2.5 V at 0 deg/s and a smooth change during rotation. For CAN sensors, verify the CAN messages and update rate with a tool.
  5. Wiggle/stress test: with backprobed connectors, wiggle harness and connectors while watching live data for intermittent faults. Repair or replace damaged harness/connector.
  6. Check continuity/resistance for signal, power and ground circuits to the ABS/ESC module. Repair any opens/shorts or high resistance connections.
  7. Inspect ABS/ESC module connectors and scan module for internal faults or communications errors. Check for TSBs/firmware updates or required sensor recalibration.
  8. If wiring and power/ground are good but signal remains invalid, replace yaw rate sensor and clear codes. Re-test to confirm proper operation and that codes do not return.
  9. If new sensor does not correct the issue, suspect ABS/ESC module input stage or CAN bus faults. Further module bench testing or replacement may be required by a qualified technician.

Likely causes

  • Damaged/loose connector at yaw rate sensor or ABS control module
  • Open or shorted signal wire between sensor and controller
  • Failed yaw rate sensor (internal fault)
  • Ground or 5 V reference supply open/unstable
  • ABS/ESC module input stage failure or internal fault

Fault status

⚠️ Status
Yaw rate sensor circuit out of expected range or performance. Stability control/ESC may be disabled until fault is resolved.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-3.0 hours

Similar codes

C2165 C1273 C1274 C1297 U0121 U0416
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