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Home / DTC / P0574 — Cruise Control System - Vehicle Speed Too High

P0574 — Cruise Control System - Vehicle Speed Too High

Detailed page for trouble code P0574.

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22,491specific
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Code

P0574

Generic P — Powertrain

Cruise Control System - Vehicle Speed Too High

Brand: Generic
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty vehicle speed sensor (VSS) or wheel speed sensor(s)
  • Damaged or corroded wiring / poor connector contact on speed circuits
  • Missing or damaged tone/reluctor ring (ABS ring) or debris on sensor
  • Incorrect tire or wheel size, overinflation, or wrong calibration
  • Faulty ABS module or other module providing speed input
  • Instrument cluster or cruise control module (CCM) software/firmware error

Symptoms

  • Cruise control unavailable, disengages, or fails to maintain set speed
  • Speedometer reading incorrect or jumps / inconsistent vehicle speed readout
  • ABS or traction control warning lamp may be on
  • Intermittent cruise function operation or sudden speed changes when cruise is on
  • Diagnostic trouble codes related to vehicle speed or wheel speed sensors

What to check

  • Connect a scan tool, read stored/freeze-frame data and live vehicle/sensor speeds
  • Compare speedometer readout on cluster to scan-tool vehicle speed and all four wheel speeds
  • Visually inspect wheel speed sensors, tone rings, and sensor connectors for damage, debris or corrosion
  • Check for recent tire/wheel changes or incorrect tire size/pressure
  • Inspect wiring harness for chafing, pin corrosion, breaks, or water intrusion at connectors
  • Verify software/ calibration status and check for technical service bulletins (TSBs)

Signal parameters

  • Vehicle speed signal type: typically a pulsed/square-wave signal (Hall-effect) or AC waveform (variable reluctance); frequency increases with vehicle speed
  • Typical signal voltage: Hall-effect sensors ~0–5 V square wave; some legacy sensors may use 0–12 V pulsed output (verify vehicle-specific specs)
  • Variable reluctance sensors produce AC voltage amplitude increasing with speed (millivolts to volts depending on sensor and speed)
  • At vehicle stationary: frequency = 0 Hz (no pulses); frequency/duty proportional to vehicle speed — compare left/right wheel speeds for consistency
  • ABS wheel-speed sensors should show matching frequency/percentage differences within a few percent between left and right on same axle during steady motion

Diagnostic algorithm

  1. Retrieve all stored codes and freeze-frame data with a scan tool. Note conditions when P0574 set (speed, gear, engine load).
  2. Verify instrument cluster and scan-tool vehicle speed agree at low speed and during road test. Note any large discrepancies.
  3. Check related codes (ABS, VSS, BCM/CCM) and address them first if present.
  4. Visually inspect wheel speed sensors, tone rings and harnesses at each wheel; repair or clean damaged/contaminated sensors and remove debris from tone rings.
  5. Backprobe sensor signal and ground (or use an oscilloscope) while rotating wheel or road testing to confirm proper waveform, amplitude and frequency. Compare left vs right and front vs rear.
  6. If a Hall-effect sensor: verify reference voltage (~5 V), ground and signal; if variable reluctance: check AC output and resistance per vehicle spec.
  7. Inspect/repair any damaged wiring or connectors. Wiggle-test harness while observing live data for intermittent faults.
  8. If wiring and sensors are good but speed readings still incorrect, verify ABS module and PCM inputs and grounds; check for software updates/TSBs and reprogram if required.
  9. After repairs, clear codes and perform a controlled road test with a scan tool to confirm proper vehicle speed reporting and that P0574 does not return.

Likely causes

  • Faulty or contaminated wheel speed sensor or corroded tone ring
  • Wiring harness connector fault at VSS/ABS sensor (open, short, high resistance)
  • Incorrect tire/wheel size or recent tire change without recalibration
  • ABS module or PCM processing error (less common than sensor/wiring faults)

Fault status

⚠️ Status
Cruise Control System - Vehicle Speed Too High
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

P0500 P0501 P0502 P0571 P0720 P0725
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Code

P0574

GWM P — Powertrain

- Cruise control system malfunction

Brand: GWM
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty vehicle speed sensor (VSS) or wheel speed sensor(s)
  • Damaged or corroded wiring / poor connector contact on speed circuits
  • Missing or damaged tone/reluctor ring (ABS ring) or debris on sensor
  • Incorrect tire or wheel size, overinflation, or wrong calibration
  • Faulty ABS module or other module providing speed input
  • Instrument cluster or cruise control module (CCM) software/firmware error

Symptoms

  • Cruise control unavailable, disengages, or fails to maintain set speed
  • Speedometer reading incorrect or jumps / inconsistent vehicle speed readout
  • ABS or traction control warning lamp may be on
  • Intermittent cruise function operation or sudden speed changes when cruise is on
  • Diagnostic trouble codes related to vehicle speed or wheel speed sensors

What to check

  • Connect a scan tool, read stored/freeze-frame data and live vehicle/sensor speeds
  • Compare speedometer readout on cluster to scan-tool vehicle speed and all four wheel speeds
  • Visually inspect wheel speed sensors, tone rings, and sensor connectors for damage, debris or corrosion
  • Check for recent tire/wheel changes or incorrect tire size/pressure
  • Inspect wiring harness for chafing, pin corrosion, breaks, or water intrusion at connectors
  • Verify software/ calibration status and check for technical service bulletins (TSBs)

Signal parameters

  • Vehicle speed signal type: typically a pulsed/square-wave signal (Hall-effect) or AC waveform (variable reluctance); frequency increases with vehicle speed
  • Typical signal voltage: Hall-effect sensors ~0–5 V square wave; some legacy sensors may use 0–12 V pulsed output (verify vehicle-specific specs)
  • Variable reluctance sensors produce AC voltage amplitude increasing with speed (millivolts to volts depending on sensor and speed)
  • At vehicle stationary: frequency = 0 Hz (no pulses); frequency/duty proportional to vehicle speed — compare left/right wheel speeds for consistency
  • ABS wheel-speed sensors should show matching frequency/percentage differences within a few percent between left and right on same axle during steady motion

Diagnostic algorithm

  1. Retrieve all stored codes and freeze-frame data with a scan tool. Note conditions when P0574 set (speed, gear, engine load).
  2. Verify instrument cluster and scan-tool vehicle speed agree at low speed and during road test. Note any large discrepancies.
  3. Check related codes (ABS, VSS, BCM/CCM) and address them first if present.
  4. Visually inspect wheel speed sensors, tone rings and harnesses at each wheel; repair or clean damaged/contaminated sensors and remove debris from tone rings.
  5. Backprobe sensor signal and ground (or use an oscilloscope) while rotating wheel or road testing to confirm proper waveform, amplitude and frequency. Compare left vs right and front vs rear.
  6. If a Hall-effect sensor: verify reference voltage (~5 V), ground and signal; if variable reluctance: check AC output and resistance per vehicle spec.
  7. Inspect/repair any damaged wiring or connectors. Wiggle-test harness while observing live data for intermittent faults.
  8. If wiring and sensors are good but speed readings still incorrect, verify ABS module and PCM inputs and grounds; check for software updates/TSBs and reprogram if required.
  9. After repairs, clear codes and perform a controlled road test with a scan tool to confirm proper vehicle speed reporting and that P0574 does not return.

Likely causes

  • Faulty or contaminated wheel speed sensor or corroded tone ring
  • Wiring harness connector fault at VSS/ABS sensor (open, short, high resistance)
  • Incorrect tire/wheel size or recent tire change without recalibration
  • ABS module or PCM processing error (less common than sensor/wiring faults)

Fault status

⚠️ Status
Cruise Control System - Vehicle Speed Too High
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

P0500 P0501 P0502 P0571 P0720 P0725
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Code

P0574

HUMMER P — Powertrain

Vehicle Speed Too High - above 110 mph - Cruise Control Disabled

Brand: HUMMER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty vehicle speed sensor (VSS) or wheel speed sensor(s)
  • Damaged or corroded wiring / poor connector contact on speed circuits
  • Missing or damaged tone/reluctor ring (ABS ring) or debris on sensor
  • Incorrect tire or wheel size, overinflation, or wrong calibration
  • Faulty ABS module or other module providing speed input
  • Instrument cluster or cruise control module (CCM) software/firmware error

Symptoms

  • Cruise control unavailable, disengages, or fails to maintain set speed
  • Speedometer reading incorrect or jumps / inconsistent vehicle speed readout
  • ABS or traction control warning lamp may be on
  • Intermittent cruise function operation or sudden speed changes when cruise is on
  • Diagnostic trouble codes related to vehicle speed or wheel speed sensors

What to check

  • Connect a scan tool, read stored/freeze-frame data and live vehicle/sensor speeds
  • Compare speedometer readout on cluster to scan-tool vehicle speed and all four wheel speeds
  • Visually inspect wheel speed sensors, tone rings, and sensor connectors for damage, debris or corrosion
  • Check for recent tire/wheel changes or incorrect tire size/pressure
  • Inspect wiring harness for chafing, pin corrosion, breaks, or water intrusion at connectors
  • Verify software/ calibration status and check for technical service bulletins (TSBs)

Signal parameters

  • Vehicle speed signal type: typically a pulsed/square-wave signal (Hall-effect) or AC waveform (variable reluctance); frequency increases with vehicle speed
  • Typical signal voltage: Hall-effect sensors ~0–5 V square wave; some legacy sensors may use 0–12 V pulsed output (verify vehicle-specific specs)
  • Variable reluctance sensors produce AC voltage amplitude increasing with speed (millivolts to volts depending on sensor and speed)
  • At vehicle stationary: frequency = 0 Hz (no pulses); frequency/duty proportional to vehicle speed — compare left/right wheel speeds for consistency
  • ABS wheel-speed sensors should show matching frequency/percentage differences within a few percent between left and right on same axle during steady motion

Diagnostic algorithm

  1. Retrieve all stored codes and freeze-frame data with a scan tool. Note conditions when P0574 set (speed, gear, engine load).
  2. Verify instrument cluster and scan-tool vehicle speed agree at low speed and during road test. Note any large discrepancies.
  3. Check related codes (ABS, VSS, BCM/CCM) and address them first if present.
  4. Visually inspect wheel speed sensors, tone rings and harnesses at each wheel; repair or clean damaged/contaminated sensors and remove debris from tone rings.
  5. Backprobe sensor signal and ground (or use an oscilloscope) while rotating wheel or road testing to confirm proper waveform, amplitude and frequency. Compare left vs right and front vs rear.
  6. If a Hall-effect sensor: verify reference voltage (~5 V), ground and signal; if variable reluctance: check AC output and resistance per vehicle spec.
  7. Inspect/repair any damaged wiring or connectors. Wiggle-test harness while observing live data for intermittent faults.
  8. If wiring and sensors are good but speed readings still incorrect, verify ABS module and PCM inputs and grounds; check for software updates/TSBs and reprogram if required.
  9. After repairs, clear codes and perform a controlled road test with a scan tool to confirm proper vehicle speed reporting and that P0574 does not return.

Likely causes

  • Faulty or contaminated wheel speed sensor or corroded tone ring
  • Wiring harness connector fault at VSS/ABS sensor (open, short, high resistance)
  • Incorrect tire/wheel size or recent tire change without recalibration
  • ABS module or PCM processing error (less common than sensor/wiring faults)

Fault status

⚠️ Status
Cruise Control System - Vehicle Speed Too High
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

P0500 P0501 P0502 P0571 P0720 P0725
Repair manuals

Manual library for HUMMER

138

Browse 138 HUMMER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

HUMMER

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Code

P0574

LAND ROVER P — Powertrain

Speed control system - vehicle speed also high Speed control input speed - low circuit

Brand: LAND ROVER
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty vehicle speed sensor (VSS) or wheel speed sensor(s)
  • Damaged or corroded wiring / poor connector contact on speed circuits
  • Missing or damaged tone/reluctor ring (ABS ring) or debris on sensor
  • Incorrect tire or wheel size, overinflation, or wrong calibration
  • Faulty ABS module or other module providing speed input
  • Instrument cluster or cruise control module (CCM) software/firmware error

Symptoms

  • Cruise control unavailable, disengages, or fails to maintain set speed
  • Speedometer reading incorrect or jumps / inconsistent vehicle speed readout
  • ABS or traction control warning lamp may be on
  • Intermittent cruise function operation or sudden speed changes when cruise is on
  • Diagnostic trouble codes related to vehicle speed or wheel speed sensors

What to check

  • Connect a scan tool, read stored/freeze-frame data and live vehicle/sensor speeds
  • Compare speedometer readout on cluster to scan-tool vehicle speed and all four wheel speeds
  • Visually inspect wheel speed sensors, tone rings, and sensor connectors for damage, debris or corrosion
  • Check for recent tire/wheel changes or incorrect tire size/pressure
  • Inspect wiring harness for chafing, pin corrosion, breaks, or water intrusion at connectors
  • Verify software/ calibration status and check for technical service bulletins (TSBs)

Signal parameters

  • Vehicle speed signal type: typically a pulsed/square-wave signal (Hall-effect) or AC waveform (variable reluctance); frequency increases with vehicle speed
  • Typical signal voltage: Hall-effect sensors ~0–5 V square wave; some legacy sensors may use 0–12 V pulsed output (verify vehicle-specific specs)
  • Variable reluctance sensors produce AC voltage amplitude increasing with speed (millivolts to volts depending on sensor and speed)
  • At vehicle stationary: frequency = 0 Hz (no pulses); frequency/duty proportional to vehicle speed — compare left/right wheel speeds for consistency
  • ABS wheel-speed sensors should show matching frequency/percentage differences within a few percent between left and right on same axle during steady motion

Diagnostic algorithm

  1. Retrieve all stored codes and freeze-frame data with a scan tool. Note conditions when P0574 set (speed, gear, engine load).
  2. Verify instrument cluster and scan-tool vehicle speed agree at low speed and during road test. Note any large discrepancies.
  3. Check related codes (ABS, VSS, BCM/CCM) and address them first if present.
  4. Visually inspect wheel speed sensors, tone rings and harnesses at each wheel; repair or clean damaged/contaminated sensors and remove debris from tone rings.
  5. Backprobe sensor signal and ground (or use an oscilloscope) while rotating wheel or road testing to confirm proper waveform, amplitude and frequency. Compare left vs right and front vs rear.
  6. If a Hall-effect sensor: verify reference voltage (~5 V), ground and signal; if variable reluctance: check AC output and resistance per vehicle spec.
  7. Inspect/repair any damaged wiring or connectors. Wiggle-test harness while observing live data for intermittent faults.
  8. If wiring and sensors are good but speed readings still incorrect, verify ABS module and PCM inputs and grounds; check for software updates/TSBs and reprogram if required.
  9. After repairs, clear codes and perform a controlled road test with a scan tool to confirm proper vehicle speed reporting and that P0574 does not return.

Likely causes

  • Faulty or contaminated wheel speed sensor or corroded tone ring
  • Wiring harness connector fault at VSS/ABS sensor (open, short, high resistance)
  • Incorrect tire/wheel size or recent tire change without recalibration
  • ABS module or PCM processing error (less common than sensor/wiring faults)

Fault status

⚠️ Status
Cruise Control System - Vehicle Speed Too High
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

P0500 P0501 P0502 P0571 P0720 P0725
367

Browse 367 LAND ROVER manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

LAND ROVER

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Keep it short and practical. Up to 500 characters.
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Code

P0574

MERCEDES-BENZ P — Powertrain

Cruise Control Related Malfunction

Brand: MERCEDES-BENZ
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty vehicle speed sensor (VSS) or wheel speed sensor(s)
  • Damaged or corroded wiring / poor connector contact on speed circuits
  • Missing or damaged tone/reluctor ring (ABS ring) or debris on sensor
  • Incorrect tire or wheel size, overinflation, or wrong calibration
  • Faulty ABS module or other module providing speed input
  • Instrument cluster or cruise control module (CCM) software/firmware error

Symptoms

  • Cruise control unavailable, disengages, or fails to maintain set speed
  • Speedometer reading incorrect or jumps / inconsistent vehicle speed readout
  • ABS or traction control warning lamp may be on
  • Intermittent cruise function operation or sudden speed changes when cruise is on
  • Diagnostic trouble codes related to vehicle speed or wheel speed sensors

What to check

  • Connect a scan tool, read stored/freeze-frame data and live vehicle/sensor speeds
  • Compare speedometer readout on cluster to scan-tool vehicle speed and all four wheel speeds
  • Visually inspect wheel speed sensors, tone rings, and sensor connectors for damage, debris or corrosion
  • Check for recent tire/wheel changes or incorrect tire size/pressure
  • Inspect wiring harness for chafing, pin corrosion, breaks, or water intrusion at connectors
  • Verify software/ calibration status and check for technical service bulletins (TSBs)

Signal parameters

  • Vehicle speed signal type: typically a pulsed/square-wave signal (Hall-effect) or AC waveform (variable reluctance); frequency increases with vehicle speed
  • Typical signal voltage: Hall-effect sensors ~0–5 V square wave; some legacy sensors may use 0–12 V pulsed output (verify vehicle-specific specs)
  • Variable reluctance sensors produce AC voltage amplitude increasing with speed (millivolts to volts depending on sensor and speed)
  • At vehicle stationary: frequency = 0 Hz (no pulses); frequency/duty proportional to vehicle speed — compare left/right wheel speeds for consistency
  • ABS wheel-speed sensors should show matching frequency/percentage differences within a few percent between left and right on same axle during steady motion

Diagnostic algorithm

  1. Retrieve all stored codes and freeze-frame data with a scan tool. Note conditions when P0574 set (speed, gear, engine load).
  2. Verify instrument cluster and scan-tool vehicle speed agree at low speed and during road test. Note any large discrepancies.
  3. Check related codes (ABS, VSS, BCM/CCM) and address them first if present.
  4. Visually inspect wheel speed sensors, tone rings and harnesses at each wheel; repair or clean damaged/contaminated sensors and remove debris from tone rings.
  5. Backprobe sensor signal and ground (or use an oscilloscope) while rotating wheel or road testing to confirm proper waveform, amplitude and frequency. Compare left vs right and front vs rear.
  6. If a Hall-effect sensor: verify reference voltage (~5 V), ground and signal; if variable reluctance: check AC output and resistance per vehicle spec.
  7. Inspect/repair any damaged wiring or connectors. Wiggle-test harness while observing live data for intermittent faults.
  8. If wiring and sensors are good but speed readings still incorrect, verify ABS module and PCM inputs and grounds; check for software updates/TSBs and reprogram if required.
  9. After repairs, clear codes and perform a controlled road test with a scan tool to confirm proper vehicle speed reporting and that P0574 does not return.

Likely causes

  • Faulty or contaminated wheel speed sensor or corroded tone ring
  • Wiring harness connector fault at VSS/ABS sensor (open, short, high resistance)
  • Incorrect tire/wheel size or recent tire change without recalibration
  • ABS module or PCM processing error (less common than sensor/wiring faults)

Fault status

⚠️ Status
Cruise Control System - Vehicle Speed Too High
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.5 hours

Similar codes

P0500 P0501 P0502 P0571 P0720 P0725
856

Browse 856 MERCEDES-BENZ manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

MERCEDES-BENZ

Your experience will help others
+100 karma for a short comment :)
Keep it short and practical. Up to 500 characters.
Send to email

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