Code
C2007
Generic
C — Chassis
Steering Angle Sensor Circuit — Range/Performance
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EN: 1
RU: 1
AI status
Completed
Completed
100%
Causes
- Faulty steering angle sensor (internal electronics degraded)
- Damaged, corroded or loose sensor connector or wiring harness
- Poor or intermittent reference voltage or ground to the sensor
- Steering column mechanical binding, excessive play, or damaged sensor tone ring
- Sensor not calibrated or calibration lost after repairs or battery disconnect
- Faulty ABS/ESC/steering control module that reads sensor data
Symptoms
- ABS, ESC/Traction Control or warning lamp illuminated
- Stability control functions disabled or behaving erratically
- Steering angle live value incorrect or jumping when wheel is steady
- Stored diagnostic trouble codes related to steering/ABS/traction
- Possible vehicle handling complaints under braking or cornering
What to check
- Read freeze frame and all related codes with a capable scan tool; note conditions when code set
- Visually inspect steering angle sensor connector and wiring for damage, corrosion, or pin push-out
- Check for recent repairs to steering column, wheel, or battery that would require SAS calibration
- Verify vehicle is at rest and steering wheel centered for baseline checks
- Backprobe sensor power, reference and ground with ignition ON (engine OFF) and compare to expected values
- Monitor steering angle live data while slowly rotating the steering wheel to observe smooth response
Signal parameters
- Typical sensor supply/reference: near battery voltage or 5 V reference (varies by manufacturer); measure with key ON engine OFF
- Typical output: analog voltage that varies with wheel position (common range ~0.5–4.5 V) or digital CAN/LIN messages for absolute angle
- At centered steering wheel the absolute output is often mid-range (≈2.5 V) for analog sensors; angle should change smoothly with steering input
- Ground continuity: low resistance to chassis ground (
- When digital, expect steady CAN/LIN messages at known interval with valid angle values; loss or invalid data indicates communication or module issue
Diagnostic algorithm
- Connect a full-function scan tool. Record the C2007 code, related codes (ABS, ESC), and freeze frame data. Check live steering angle value and compare to wheel position.
- Perform a visual inspection of sensor and harness at the steering column. Repair any obvious wiring damage, broken pins, or corroded connectors.
- With ignition ON (engine OFF), backprobe the sensor connector: verify proper reference/supply voltage and ground. If voltages are out of range, trace and repair supply/ground circuits.
- Observe live sensor signal (voltage or CAN/LIN data) while slowly turning the steering wheel. Look for non-linear jumps, dropouts, or no change. Wiggle the harness to check for intermittent faults.
- If analog output is incorrect but supply and ground are good, replace the steering angle sensor. If digital messages are missing, verify CAN/LIN network integrity and module operation.
- After sensor replacement or wiring repair, perform required steering angle sensor calibration/adaptation with a scan tool per manufacturer procedure (vehicle wheels must be straight and vehicle level as specified).
- Clear codes and test drive under the conditions that originally set the code to confirm repair. Recheck for stored or returning codes.
- If fault persists after sensor and wiring checks and calibration, investigate the ABS/ESC/steering control module and bus communication for faults or intermittent failures.
Likely causes
- Steering angle sensor failure or out-of-spec output
- Connector corrosion, pin damage or wiring open/short near the column
- Improper or missing steering angle sensor calibration/adaptation
- Bad ground or reference voltage to sensor
- Intermittent fault caused by steering column movement/wire chafe
Fault status
Status
Steering Angle Sensor Circuit — Range/Performance: control module detected the steering angle sensor output is outside expected range or not performing correctly. May disable stability/traction systems until resolved.
Repair difficulty: Medium
Diagnostic time: 0.5-2 hours
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