Code
C1260
HYUNDAI
C — Chassis
Steering Sensor - Abnormal | Steering Angle Sensor Circuit-Signal | Steering Angle Sensor-Signal | Internal Signal not Plausible
Views:
UK: 13
EN: 17
RU: 21
AI status
Completed
Completed
100%
Causes
- Failed or degraded steering angle sensor (SAS)
- Damaged wiring or poor connector contact between SAS and ABS/ESC ECU
- Loss of reference voltage or ground to the sensor
- Faulty clock spring or steering column damage affecting signal
- Corroded connector terminals or water ingress
- ABS/ESC ECU internal fault or corrupted software
Symptoms
- ABS/ESC/ESP warning lamp illuminated (may also show SAS or steering warnings)
- Reduced or disabled traction/stability control functionality
- Steering wheel angle reading incorrect or not changing in scan-tool data
- Intermittent faults or warnings on turning the steering wheel
- Possible drivability unaffected but safety systems limited
What to check
- Read stored and pending DTCs with a capable scan tool; capture freeze frame and live data
- Confirm steering angle sensor raw value and calculated angle while turning steering wheel slowly
- Compare steering wheel angle to vehicle direction (as seen in live data yaw/rate sensors) during a straight-line roll
- Visually inspect connectors at SAS, clock spring and ABS/ESC ECU for corrosion, bent pins or damage
- Inspect wiring harness through steering column for wear, chafing or breaks (turn wheel while inspecting)
- Check reference voltage and ground at the sensor with ignition ON (typically ~5 V reference and good ground)
Signal parameters
- Reference voltage: typically ≈ 5 V (verify against OEM spec)
- Signal range: analog 0–5 V or digital output incrementing with wheel angle; should move smoothly with steering input
- Centered angle: sensor output near vehicle-specific zero value when wheels pointed straight ahead
- Response: no sudden jumps, dropouts or noise during slow steering rotation
- Communication: if sensor reports over CAN, messages must be present and consistent with other stability sensors
Diagnostic algorithm
- Connect a professional scan tool and read all stored codes and live SAS data. Record the steering angle value at rest.
- With ignition ON (engine off), turn the steering wheel slowly through full range while watching SAS output. Note any dropouts, jumps or frozen readings.
- Inspect connectors and wiring at the SAS, clock spring and ABS/ESC ECU. Repair or secure any damaged terminals or pins.
- Measure reference voltage and ground at the sensor connector. If out of range, trace and repair power/ground feed.
- If wiring and power are good, perform a resistance/continuity check on signal wires between sensor and ECU to locate opens or shorts.
- If wiring and signals test good but readings are implausible, replace the steering angle sensor or clock spring as per shop manual guidance.
- After repair or replacement, perform OEM-recommended steering angle sensor zero-point calibration/initialization using a scan tool.
- Clear DTCs and perform a road test to verify stable SAS readings and that ABS/ESC warnings do not return.
- If codes persist after sensor replacement and calibration, inspect ABS/ESC ECU and CAN network for faults or perform ECU software update as recommended by manufacturer.
Likely causes
- Connector at steering angle sensor loose, corroded or pinched
- Broken or chafed wiring in steering column harness (common at column pivot)
- Sensor internal failure (output stuck, noisy, or out-of-range)
- Clock spring damage causing intermittent signal when wheel is turned
- Vehicle moved or battery disconnected without re-centering/calibrating SAS
Fault status
Status
Steering angle sensor signal abnormal — internal signal not plausible. ESC/ABS stability functions may be limited. Inspect sensor, wiring, connectors, clock spring, perform calibration and clear codes.
Repair difficulty: Medium
Diagnostic time: 1.0-2.5 hours
Similar codes
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Code
C1260
LAND ROVER
C — Chassis
Right rear sensor - wheel speed comparison
Views:
UK: 7
EN: 11
RU: 15
AI status
Completed
Completed
100%
Causes
- Failed or degraded steering angle sensor (SAS)
- Damaged wiring or poor connector contact between SAS and ABS/ESC ECU
- Loss of reference voltage or ground to the sensor
- Faulty clock spring or steering column damage affecting signal
- Corroded connector terminals or water ingress
- ABS/ESC ECU internal fault or corrupted software
Symptoms
- ABS/ESC/ESP warning lamp illuminated (may also show SAS or steering warnings)
- Reduced or disabled traction/stability control functionality
- Steering wheel angle reading incorrect or not changing in scan-tool data
- Intermittent faults or warnings on turning the steering wheel
- Possible drivability unaffected but safety systems limited
What to check
- Read stored and pending DTCs with a capable scan tool; capture freeze frame and live data
- Confirm steering angle sensor raw value and calculated angle while turning steering wheel slowly
- Compare steering wheel angle to vehicle direction (as seen in live data yaw/rate sensors) during a straight-line roll
- Visually inspect connectors at SAS, clock spring and ABS/ESC ECU for corrosion, bent pins or damage
- Inspect wiring harness through steering column for wear, chafing or breaks (turn wheel while inspecting)
- Check reference voltage and ground at the sensor with ignition ON (typically ~5 V reference and good ground)
Signal parameters
- Reference voltage: typically ≈ 5 V (verify against OEM spec)
- Signal range: analog 0–5 V or digital output incrementing with wheel angle; should move smoothly with steering input
- Centered angle: sensor output near vehicle-specific zero value when wheels pointed straight ahead
- Response: no sudden jumps, dropouts or noise during slow steering rotation
- Communication: if sensor reports over CAN, messages must be present and consistent with other stability sensors
Diagnostic algorithm
- Connect a professional scan tool and read all stored codes and live SAS data. Record the steering angle value at rest.
- With ignition ON (engine off), turn the steering wheel slowly through full range while watching SAS output. Note any dropouts, jumps or frozen readings.
- Inspect connectors and wiring at the SAS, clock spring and ABS/ESC ECU. Repair or secure any damaged terminals or pins.
- Measure reference voltage and ground at the sensor connector. If out of range, trace and repair power/ground feed.
- If wiring and power are good, perform a resistance/continuity check on signal wires between sensor and ECU to locate opens or shorts.
- If wiring and signals test good but readings are implausible, replace the steering angle sensor or clock spring as per shop manual guidance.
- After repair or replacement, perform OEM-recommended steering angle sensor zero-point calibration/initialization using a scan tool.
- Clear DTCs and perform a road test to verify stable SAS readings and that ABS/ESC warnings do not return.
- If codes persist after sensor replacement and calibration, inspect ABS/ESC ECU and CAN network for faults or perform ECU software update as recommended by manufacturer.
Likely causes
- Connector at steering angle sensor loose, corroded or pinched
- Broken or chafed wiring in steering column harness (common at column pivot)
- Sensor internal failure (output stuck, noisy, or out-of-range)
- Clock spring damage causing intermittent signal when wheel is turned
- Vehicle moved or battery disconnected without re-centering/calibrating SAS
Fault status
Status
Steering angle sensor signal abnormal — internal signal not plausible. ESC/ABS stability functions may be limited. Inspect sensor, wiring, connectors, clock spring, perform calibration and clear codes.
Repair difficulty: Medium
Diagnostic time: 1.0-2.5 hours
Similar codes
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Land Rover Defender 300Tdi — Workshop Manual (1996 model year)
Workshop Manual199,00 UAH
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Code
C1260
Other
C — Chassis
Speed Wheel RR Comparison Failure
Views:
UK: 17
EN: 26
RU: 27
AI status
Completed
Completed
100%
Causes
- Failed or degraded steering angle sensor (SAS)
- Damaged wiring or poor connector contact between SAS and ABS/ESC ECU
- Loss of reference voltage or ground to the sensor
- Faulty clock spring or steering column damage affecting signal
- Corroded connector terminals or water ingress
- ABS/ESC ECU internal fault or corrupted software
Symptoms
- ABS/ESC/ESP warning lamp illuminated (may also show SAS or steering warnings)
- Reduced or disabled traction/stability control functionality
- Steering wheel angle reading incorrect or not changing in scan-tool data
- Intermittent faults or warnings on turning the steering wheel
- Possible drivability unaffected but safety systems limited
What to check
- Read stored and pending DTCs with a capable scan tool; capture freeze frame and live data
- Confirm steering angle sensor raw value and calculated angle while turning steering wheel slowly
- Compare steering wheel angle to vehicle direction (as seen in live data yaw/rate sensors) during a straight-line roll
- Visually inspect connectors at SAS, clock spring and ABS/ESC ECU for corrosion, bent pins or damage
- Inspect wiring harness through steering column for wear, chafing or breaks (turn wheel while inspecting)
- Check reference voltage and ground at the sensor with ignition ON (typically ~5 V reference and good ground)
Signal parameters
- Reference voltage: typically ≈ 5 V (verify against OEM spec)
- Signal range: analog 0–5 V or digital output incrementing with wheel angle; should move smoothly with steering input
- Centered angle: sensor output near vehicle-specific zero value when wheels pointed straight ahead
- Response: no sudden jumps, dropouts or noise during slow steering rotation
- Communication: if sensor reports over CAN, messages must be present and consistent with other stability sensors
Diagnostic algorithm
- Connect a professional scan tool and read all stored codes and live SAS data. Record the steering angle value at rest.
- With ignition ON (engine off), turn the steering wheel slowly through full range while watching SAS output. Note any dropouts, jumps or frozen readings.
- Inspect connectors and wiring at the SAS, clock spring and ABS/ESC ECU. Repair or secure any damaged terminals or pins.
- Measure reference voltage and ground at the sensor connector. If out of range, trace and repair power/ground feed.
- If wiring and power are good, perform a resistance/continuity check on signal wires between sensor and ECU to locate opens or shorts.
- If wiring and signals test good but readings are implausible, replace the steering angle sensor or clock spring as per shop manual guidance.
- After repair or replacement, perform OEM-recommended steering angle sensor zero-point calibration/initialization using a scan tool.
- Clear DTCs and perform a road test to verify stable SAS readings and that ABS/ESC warnings do not return.
- If codes persist after sensor replacement and calibration, inspect ABS/ESC ECU and CAN network for faults or perform ECU software update as recommended by manufacturer.
Likely causes
- Connector at steering angle sensor loose, corroded or pinched
- Broken or chafed wiring in steering column harness (common at column pivot)
- Sensor internal failure (output stuck, noisy, or out-of-range)
- Clock spring damage causing intermittent signal when wheel is turned
- Vehicle moved or battery disconnected without re-centering/calibrating SAS
Fault status
Status
Steering angle sensor signal abnormal — internal signal not plausible. ESC/ABS stability functions may be limited. Inspect sensor, wiring, connectors, clock spring, perform calibration and clear codes.
Repair difficulty: Medium
Diagnostic time: 1.0-2.5 hours
Similar codes
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