Code
C0064
Generic
C — Chassis
Roll Rate Sensor
Views:
UK: 23
EN: 53
RU: 24
AI status
Completed
Completed
100%
Causes
- Faulty roll rate sensor (internal failure)
- Open/shorted wiring or damaged connector at the sensor
- Poor or corroded ground or supply (fuse, splice, ground strap)
- Water intrusion or contamination of the sensor/connector
- Sensor incorrectly mounted, loose or misaligned
- Faulty ABS/ESC control module, or lost communication to sensor
Symptoms
- ABS/ESP/ESC warning lamp illuminated
- Traction control or stability functions reduced or disabled
- Vehicle stability events (unexpected corrections) or no stability intervention
- Diagnostic trouble code C0064 stored (may appear with related stability or yaw sensor codes)
- Possible drivability unaffected unless stability system intervenes
What to check
- Read fault memory and freeze frame with a scan tool; record all related C/U/P codes
- Visually inspect sensor, mounting hardware and connector for damage, corrosion or water ingress
- Inspect wiring harness for chafing, pinched sections and continuity to module pins
- Check associated fuses and main power/ground circuits for the stability control system
- Wiggle test while monitoring live data to see intermittent changes
- Confirm vehicle software/calibration status and whether a sensor calibration or module reflash is required
Signal parameters
- Sensor supply: typically switched ignition 5 V or vehicle battery reference (verify with OEM data)
- Ground: solid chassis ground or module ground; low resistance to battery negative expected
- Signal type: MEMS angular-rate output — may be analog (0–5 V with ~2.5 V zero-rate) or digital/CAN/SPI message depending on vehicle
- Zero-rate expected near mid-supply; significant DC offset, no-change, or clipped waveform indicates fault
- Typical dynamic range: tens to hundreds of degrees/sec (manufacturer-specific) — look for responsive changes when vehicle body roll is induced safely
Diagnostic algorithm
- Connect a capable scan tool. Read and record all active and historic DTCs plus freeze frame and live data for roll rate, yaw rate, lateral accel and wheel speeds.
- Confirm code is current. Clear codes and re-run to see if it returns; note conditions when code sets.
- Visual inspection: check sensor housing, mounting bolts, harness and connector for corrosion, damage, water or loose mounting. Repair as needed.
- Verify power and ground at sensor connector with ignition ON: measure reference voltage and ground continuity to battery. Replace blown fuses or repair grounds if faulty.
- Backprobe signal pin with scope or multimeter while gently inducing a safe roll/rock motion on a lift or during low-speed dynamic test (use manufacturer-recommended procedures). Look for expected change in signal (analog voltage swing or valid CAN/SPI messages).
- Perform continuity/resistance tests on wiring between sensor and control module; check for short to battery or ground.
- If wiring and supply are good but signal abnormal, replace the sensor. After replacement, perform required sensor/module calibration or module coding per OEM procedures.
- If new sensor still fails and wiring is confirmed good, suspect control module fault or bus communication issue; perform module-level diagnostics and repair or replace as required.
- Clear codes and perform a road test or functional test per OEM to verify repair. Re-check for stored codes.
- Safety note: avoid high-speed maneuvers; follow manufacturer test procedures for any dynamic calibration or checks.
Likely causes
- Damaged connector/wiring at sensor
- Failed roll rate sensor (internal electronics)
- Missing or poor ground/supply to sensor
- Sensor taken out of position (impact/repair) or loose mounting bolt
- Module fault or lost CAN/SPI communication to sensor
Fault status
Status
Roll rate sensor circuit fault — control module has detected an invalid, missing or implausible roll rate signal. Stability control functions may be disabled until fault is corrected.
Repair difficulty: Medium
Diagnostic time: 0.5-2.5 hours
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Code
C0064
HYUNDAI
C — Chassis
Roll Rate Sensor
Views:
UK: 11
EN: 46
RU: 21
AI status
Completed
Completed
100%
Causes
- Faulty roll rate sensor (internal failure)
- Open/shorted wiring or damaged connector at the sensor
- Poor or corroded ground or supply (fuse, splice, ground strap)
- Water intrusion or contamination of the sensor/connector
- Sensor incorrectly mounted, loose or misaligned
- Faulty ABS/ESC control module, or lost communication to sensor
Symptoms
- ABS/ESP/ESC warning lamp illuminated
- Traction control or stability functions reduced or disabled
- Vehicle stability events (unexpected corrections) or no stability intervention
- Diagnostic trouble code C0064 stored (may appear with related stability or yaw sensor codes)
- Possible drivability unaffected unless stability system intervenes
What to check
- Read fault memory and freeze frame with a scan tool; record all related C/U/P codes
- Visually inspect sensor, mounting hardware and connector for damage, corrosion or water ingress
- Inspect wiring harness for chafing, pinched sections and continuity to module pins
- Check associated fuses and main power/ground circuits for the stability control system
- Wiggle test while monitoring live data to see intermittent changes
- Confirm vehicle software/calibration status and whether a sensor calibration or module reflash is required
Signal parameters
- Sensor supply: typically switched ignition 5 V or vehicle battery reference (verify with OEM data)
- Ground: solid chassis ground or module ground; low resistance to battery negative expected
- Signal type: MEMS angular-rate output — may be analog (0–5 V with ~2.5 V zero-rate) or digital/CAN/SPI message depending on vehicle
- Zero-rate expected near mid-supply; significant DC offset, no-change, or clipped waveform indicates fault
- Typical dynamic range: tens to hundreds of degrees/sec (manufacturer-specific) — look for responsive changes when vehicle body roll is induced safely
Diagnostic algorithm
- Connect a capable scan tool. Read and record all active and historic DTCs plus freeze frame and live data for roll rate, yaw rate, lateral accel and wheel speeds.
- Confirm code is current. Clear codes and re-run to see if it returns; note conditions when code sets.
- Visual inspection: check sensor housing, mounting bolts, harness and connector for corrosion, damage, water or loose mounting. Repair as needed.
- Verify power and ground at sensor connector with ignition ON: measure reference voltage and ground continuity to battery. Replace blown fuses or repair grounds if faulty.
- Backprobe signal pin with scope or multimeter while gently inducing a safe roll/rock motion on a lift or during low-speed dynamic test (use manufacturer-recommended procedures). Look for expected change in signal (analog voltage swing or valid CAN/SPI messages).
- Perform continuity/resistance tests on wiring between sensor and control module; check for short to battery or ground.
- If wiring and supply are good but signal abnormal, replace the sensor. After replacement, perform required sensor/module calibration or module coding per OEM procedures.
- If new sensor still fails and wiring is confirmed good, suspect control module fault or bus communication issue; perform module-level diagnostics and repair or replace as required.
- Clear codes and perform a road test or functional test per OEM to verify repair. Re-check for stored codes.
- Safety note: avoid high-speed maneuvers; follow manufacturer test procedures for any dynamic calibration or checks.
Likely causes
- Damaged connector/wiring at sensor
- Failed roll rate sensor (internal electronics)
- Missing or poor ground/supply to sensor
- Sensor taken out of position (impact/repair) or loose mounting bolt
- Module fault or lost CAN/SPI communication to sensor
Fault status
Status
Roll rate sensor circuit fault — control module has detected an invalid, missing or implausible roll rate signal. Stability control functions may be disabled until fault is corrected.
Repair difficulty: Medium
Diagnostic time: 0.5-2.5 hours
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Code
C0064
LAND ROVER
C — Chassis
Roll Rate Sensor
Views:
UK: 5
EN: 32
RU: 12
AI status
Completed
Completed
100%
Causes
- Faulty roll rate sensor (internal failure)
- Open/shorted wiring or damaged connector at the sensor
- Poor or corroded ground or supply (fuse, splice, ground strap)
- Water intrusion or contamination of the sensor/connector
- Sensor incorrectly mounted, loose or misaligned
- Faulty ABS/ESC control module, or lost communication to sensor
Symptoms
- ABS/ESP/ESC warning lamp illuminated
- Traction control or stability functions reduced or disabled
- Vehicle stability events (unexpected corrections) or no stability intervention
- Diagnostic trouble code C0064 stored (may appear with related stability or yaw sensor codes)
- Possible drivability unaffected unless stability system intervenes
What to check
- Read fault memory and freeze frame with a scan tool; record all related C/U/P codes
- Visually inspect sensor, mounting hardware and connector for damage, corrosion or water ingress
- Inspect wiring harness for chafing, pinched sections and continuity to module pins
- Check associated fuses and main power/ground circuits for the stability control system
- Wiggle test while monitoring live data to see intermittent changes
- Confirm vehicle software/calibration status and whether a sensor calibration or module reflash is required
Signal parameters
- Sensor supply: typically switched ignition 5 V or vehicle battery reference (verify with OEM data)
- Ground: solid chassis ground or module ground; low resistance to battery negative expected
- Signal type: MEMS angular-rate output — may be analog (0–5 V with ~2.5 V zero-rate) or digital/CAN/SPI message depending on vehicle
- Zero-rate expected near mid-supply; significant DC offset, no-change, or clipped waveform indicates fault
- Typical dynamic range: tens to hundreds of degrees/sec (manufacturer-specific) — look for responsive changes when vehicle body roll is induced safely
Diagnostic algorithm
- Connect a capable scan tool. Read and record all active and historic DTCs plus freeze frame and live data for roll rate, yaw rate, lateral accel and wheel speeds.
- Confirm code is current. Clear codes and re-run to see if it returns; note conditions when code sets.
- Visual inspection: check sensor housing, mounting bolts, harness and connector for corrosion, damage, water or loose mounting. Repair as needed.
- Verify power and ground at sensor connector with ignition ON: measure reference voltage and ground continuity to battery. Replace blown fuses or repair grounds if faulty.
- Backprobe signal pin with scope or multimeter while gently inducing a safe roll/rock motion on a lift or during low-speed dynamic test (use manufacturer-recommended procedures). Look for expected change in signal (analog voltage swing or valid CAN/SPI messages).
- Perform continuity/resistance tests on wiring between sensor and control module; check for short to battery or ground.
- If wiring and supply are good but signal abnormal, replace the sensor. After replacement, perform required sensor/module calibration or module coding per OEM procedures.
- If new sensor still fails and wiring is confirmed good, suspect control module fault or bus communication issue; perform module-level diagnostics and repair or replace as required.
- Clear codes and perform a road test or functional test per OEM to verify repair. Re-check for stored codes.
- Safety note: avoid high-speed maneuvers; follow manufacturer test procedures for any dynamic calibration or checks.
Likely causes
- Damaged connector/wiring at sensor
- Failed roll rate sensor (internal electronics)
- Missing or poor ground/supply to sensor
- Sensor taken out of position (impact/repair) or loose mounting bolt
- Module fault or lost CAN/SPI communication to sensor
Fault status
Status
Roll rate sensor circuit fault — control module has detected an invalid, missing or implausible roll rate signal. Stability control functions may be disabled until fault is corrected.
Repair difficulty: Medium
Diagnostic time: 0.5-2.5 hours
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