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Home / DTC / C2244 — Chassis Sensor Circuit Fault

C2244 — Chassis Sensor Circuit Fault

Detailed page for trouble code C2244.

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C2244

Generic C — Chassis

Chassis Sensor Circuit Fault

Brand: Generic
Type: C — Chassis
Views: UK: 1 EN: 4 RU: 2
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Page language: EN

Causes

  • Open or short in sensor wiring (to ground or power)
  • Corroded, loose or damaged sensor connector
  • Failed sensor (internal electronics or mechanical)
  • Blown fuse or loss of reference power/ground to sensor
  • Water ingress or physical damage to sensor or harness
  • Intermittent contact from chafed wiring or broken strand

Symptoms

  • Chassis/suspension warning lamp or ABS/ESP light illuminated
  • Reduced or disabled chassis control features (adaptive ride, stability control)
  • Incorrect ride height or uneven vehicle stance (if ride-height sensor)
  • Intermittent or permanent fault code stored and/or limp mode engaged
  • Diagnostic trouble codes referencing the same sensor circuit or communication bus

What to check

  • Read stored DTCs and freeze-frame data with a scan tool; note any related codes
  • Visually inspect sensor, connector and wiring harness for damage, corrosion, pin push-out, or water ingress
  • Check fuse(s) and main power/ground for the affected chassis module
  • Verify sensor mounting and alignment (where applicable)
  • Check for related CAN/network communication codes if sensor uses bus data

Signal parameters

  • Reference supply typically 5 V (check vehicle-specific value) at sensor connector pin when ignition on
  • Expected sensor signal voltage range commonly ~0.5–4.5 V for potentiometer-type sensors; 0–5 V or pulsed square wave for others
  • Hall/inductive/wheel-speed sensors: AC or square wave pulse output frequency proportional to wheel speed (0–~1200 Hz depending on speed)
  • Resistance: some position sensors have characteristic resistance values at rest — compare to service data
  • Look for open (>infinite) or short (
  • CAN bus: observe message rate and valid frames for sensor if networked

Diagnostic algorithm

  1. Record the code(s) and context (freeze frame, mileage, conditions) using an OBD scanner
  2. Perform a visual inspection of the sensor, connector, and harness from sensor back to module; repair any chafing, corrosion or loose pins
  3. Verify battery voltage and check related fuses and power feeds to the sensor and module
  4. Backprobe the sensor connector with ignition on and measure reference voltage, ground continuity and signal voltage while operating the system or moving the relevant component (e.g., move suspension link, rotate wheel)
  5. If signal absent or out of range, measure resistance of sensor where applicable and compare to spec; replace sensor if out of spec
  6. Perform a wiggle test on wiring and connectors while watching live data or DTC status to find intermittent faults
  7. If sensor signals look correct but module still flags fault, check communication lines (CAN) for errors and verify module grounds/power; consult wiring diagrams to isolate short/open
  8. If available, use an oscilloscope to view signal waveform for noise, distortion or missing pulses
  9. After repairs clear codes and test-drive to confirm the fault does not return; if persistent, consider module input circuit or replacement and consult manufacturer service information

Likely causes

  • Connector corrosion at sensor or module
  • Damaged harness where it passes through a body panel or suspension component
  • Failed sensor element (voltage output out of range)
  • Poor ground at chassis/module mounting point

Fault status

⚠️ Status
Chassis sensor circuit fault — sensor signal out of expected range or circuit communication error. Related chassis control functions may be limited until fault is repaired.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 0.5-2.0 hours

Similar codes

C2240 C2241 C2242 C2243 C2245
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