Code
P1717
DAEWOO
P — Powertrain
Steering snsr - performance mal
AI status
Completed
Completed
100%
Causes
- Faulty steering angle/position sensor
- Damaged wiring harness or chafed insulation to the sensor
- Corroded or loose connector pins at the sensor or ECU
- Loss of reference voltage or ground to the sensor
- Intermittent open/short in signal or power circuits
- Steering sensor not calibrated or calibration lost (after battery disconnect or component replacement)
Symptoms
- ABS, ESP or Traction Control warning lamp illuminated
- Stability or steering assist features reduced or disabled
- Steering-related warning messages on dash
- Unstable or unexpected behavior from stability control while driving
- Possible intermittent fault — light may reset then return
- Stored DTC P1717 and possibly related codes
What to check
- Read all stored codes and freeze-frame data with a capable scan tool; note related codes and timestamps
- Visual inspection of sensor, connector, and wiring for damage, corrosion, pins pushed out, or water ingress
- Check vehicle battery voltage and charging system; low voltage can cause sensor errors
- Use scan tool to monitor live steering angle sensor output while turning the wheel and compare to expected wheel movement
- Check for CAN/LIN communication errors and ensure other modules are communicating normally
- Wiggle test wiring harness while monitoring live data to detect intermittent faults
Signal parameters
- Reference voltage: typically ~5.0 V (verify exact value for model)
- Ground: vehicle chassis ground; check for low-resistance connection
- Signal type: analog voltage or digital (PWM/serial/CAN/LIN) depending on model; outputs represent steering angle or rate
- Output range: sensor reports steering wheel angle; many systems support multi-turn ranges (example ±540°) — check service data
- Update rate: sensor typically updates several times per second; fast changes should be represented in live data
- Tolerance: reading should smoothly track steering input without large jumps or dropouts
Diagnostic algorithm
- Connect a professional scan tool, read and record P1717 plus any related codes/freeze frame data.
- Clear codes, then observe live data: command/monitor steering angle sensor while slowly turning wheel; confirm values change smoothly and correspond to wheel movement.
- Visually inspect sensor, connector, and wiring from steering column to ECU for damage, corrosion, or loose pins. Repair any physical damage.
- With ignition on, measure reference voltage and ground at the sensor connector. Verify signal output while turning the wheel. Compare to manufacturer specs.
- Perform a wiggle test on wiring/connectors while monitoring live data to find intermittent opens/shorts.
- Check CAN/LIN bus integrity: look for bus errors, termination issues, or other module comms failures with the scan tool.
- If sensor output is present but incorrect, perform sensor calibration/initialization procedure with the OEM scan tool (many systems require steering angle sensor alignment after battery disconnect or repairs).
- If calibration fails or signal remains out-of-range, replace the steering sensor. After replacement, perform required relearn/calibration procedures.
- If faults persist after sensor replacement, investigate ABS/ESP ECU and wiring between sensor and ECU; consider replacing control module only after verifying wiring and sensor.
- After repairs, clear codes and complete a road test under conditions that previously triggered the fault; re-scan to confirm no return of P1717.
Likely causes
- Wiring/connectors: corrosion, loose pin, broken wire or poor ground
- Steering angle/position sensor failure
- Sensor needs calibration / alignment
- Intermittent CAN/LIN communication fault between sensor and ECU
- Fault in ABS/ESP/stability control module or main ECU
Fault status
Status
DAEWOO P1717 — Steering sensor performance malfunction. The vehicle control module detected steering sensor output that is out of expected range or inconsistent with other inputs. Stability/traction assistance may be limited until the fault is corrected.
Repair difficulty: Medium
Diagnostic time: 1.0 - 2.5 hours
Similar codes
Repair manuals
Manual library for DAEWOO
75
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