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Home / DTC / C2354 — Yaw Rate Sensor Circuit Range/Performance

C2354 — Yaw Rate Sensor Circuit Range/Performance

Detailed page for trouble code C2354.

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C2354

Generic C — Chassis

Yaw Rate Sensor Circuit Range/Performance

Brand: Generic
Type: C — Chassis
Views: UK: 1 EN: 2 RU: 2
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Page language: EN

Causes

  • Faulty yaw rate (gyroscope) sensor
  • Broken/open or shorted wiring between sensor and control module
  • Corroded, loose, or damaged sensor connector pins
  • Missing or incorrect sensor reference power or ground
  • Intermittent connection caused by chafed wiring or poor routing
  • Sensor mounting misalignment or mechanical damage

Symptoms

  • Stability control/traction control warning lamp illuminated
  • ABS or ESC system disabled message
  • Reduced or altered vehicle stability control intervention (harsh or absent)
  • Diagnostic trouble code stored (C2354) and possible related chassis codes
  • Unexpected steering behavior during maneuvers or reduced lateral stability
  • Inconsistent yaw rate live data (jumps, stuck values, or values that don’t correlate with turns)

What to check

  • Read and record all related DTCs and freeze-frame data with a scan tool
  • Inspect sensor mounting location and mechanical condition
  • Visually inspect connector and wiring harness for damage, corrosion, or water ingress
  • Back-probe sensor connector and verify reference supply voltage and ground at key ON/engine running
  • Monitor live yaw rate data at rest and during slow turns with a scan tool
  • Compare yaw rate sensor output to steering angle and lateral acceleration sensors during a test drive

Signal parameters

  • Quiescent output typically near mid-supply (example: ~Vref/2) when vehicle is stationary (0°/s yaw rate)
  • Sensor supply: commonly 5 V or 3.3 V reference — verify exact vehicle specification
  • Output range: sensor will vary above/below quiescent as yaw rate changes (0°/s = mid-rail; positive/negative rates change voltage up/down)
  • Expect a smooth, linear change in output with yaw rate; abrupt jumps or rails (0 V or supply) indicate fault
  • Typical yaw rate values: near 0°/s when stationary; values should correlate with steering input and vehicle turning rate during drive tests

Diagnostic algorithm

  1. Connect a capable scan tool, read and record C2354 and any related chassis or ABS/ESC codes and freeze-frame data.
  2. Clear codes and attempt to recreate. Note whether code returns immediately, intermittently, or only under specific conditions.
  3. Visually inspect sensor, bracket, and surrounding area for damage, contamination, or loose mounting. Repair or secure as needed.
  4. Inspect sensor connector and wiring for corrosion, bent pins, broken wires, or water intrusion. Repair or replace damaged connectors/harness sections.
  5. With key ON (engine off) or as specified, measure reference supply voltage and ground at the sensor connector; compare to manufacturer specs. Repair power/ground faults.
  6. Back-probe the sensor output and monitor live yaw rate value with a scan tool at rest — it should be near zero (quiescent). Wiggle wiring and connectors while watching for data dropouts or spikes.
  7. If available, use an oscilloscope on the sensor output to verify signal integrity (no clipping, excessive noise, or rail saturation).
  8. Perform a low-speed road test while monitoring yaw rate, steering angle, and lateral acceleration. Confirm yaw response matches steering inputs. Note any discrepancies.
  9. If wiring and connector checks are OK but readings are implausible, substitute a known-good yaw sensor (if available) or disconnect sensor to observe fault behavior to isolate sensor vs. module.
  10. If sensor replacement is performed, follow manufacturer procedures for sensor mounting, initialization, and calibration/zeroing. Clear codes and verify repair by test drive.
  11. If problem persists after sensor replacement and calibration, inspect the ABS/ESC control module and wiring further and consult manufacturer service information or technical service bulletins.

Likely causes

  • Sensor output stuck at or near supply rail or ground (open/short)
  • Sensor output drifting or returning implausible values during movement
  • Power/ground or reference voltage outside specification
  • Connector contamination/corrosion causing intermittent readings
  • Sensor physically damaged or shifted from correct mounting

Fault status

⚠️ Status
Stored when the vehicle stability/ABS control module detects the yaw rate sensor output is outside expected range, inconsistent with other sensors, or otherwise fails performance checks. Fault may be active, pending, or stored as intermittent depending on conditions.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0 - 2.5 hours

Similar codes

C1234 C1235 C1251 C1273 C1350
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