Code
C2223
HYUNDAI
C — Chassis
Rear Left(RL) Actuator - Electrical
Views:
UK: 16
EN: 37
RU: 24
AI status
Completed
Completed
100%
Causes
- Blown fuse or relay feeding the actuator circuit
- Loose, corroded, or disconnected connector at the actuator
- Damaged wiring harness (open, short to ground, short to battery)
- Failed actuator motor or internal electronics
- Faulty control module output or communication error
- Water ingress or contamination at actuator or connector
Symptoms
- Rear left function does not operate (no movement or response)
- Intermittent operation or only partial movement
- Audible clicking or humming from actuator without movement
- Related control or status message on dash (depending on system)
- Other actuators operate normally while RL is affected
What to check
- Scan vehicle and read freeze frame / occurrence count for C2223
- Attempt actuator activation from diagnostic tool / vehicle controls and note behavior
- Inspect fuse(s) and relay(s) for the actuator circuit
- Visually inspect actuator connector and wiring for corrosion, pin damage, or water ingress
- Wiggle test wiring harness while operating to reproduce fault (with safety precautions)
- Check for related codes that indicate communication or module faults
Signal parameters
- Supply voltage at actuator connector: should be near battery voltage when active (approx. battery level)
- Ground continuity from actuator ground pin to chassis/vehicle ground
- Control signal: pulse or variable voltage from control module to actuator (should change when commanded)
- Motor current: higher draw when actuator is loaded or stalled; near-zero when idle
- Position/feedback signal (if present): should change as actuator is commanded
Diagnostic algorithm
- Retrieve and record DTC(s) and freeze-frame data with a capable scan tool. Note if code is current or historic.
- With ignition on, command the rear left actuator using the scan tool and observe response. Listen for motor noise or clicking.
- Inspect the actuator connector for corrosion, bent pins, or water entry. Disconnect and check for continuity between connector and module.
- Check relevant fuses and relays; replace if blown and retest. If fuse blows again, suspect short circuit.
- Measure supply voltage at the actuator connector while commanding operation. Verify a solid ground and a changing control signal/voltage.
- If voltage/ground are correct but actuator does not move, measure motor resistance per service data or check for continuity; remove and bench-test actuator if accessible.
- Perform a wiring continuity test from the actuator connector to the control module pins. Repair any opens or shorts found.
- Inspect harness routing for chafe points, pinch areas, or water traps and repair or protect wiring as needed.
- If wiring and power/ground are good but actuator fails bench test, replace the actuator with OEM-specified unit.
- After repair, clear codes, cycle ignition and operate system through several cycles to confirm repair. Re-scan for any reoccurrence.
Likely causes
- Connector contamination/corrosion at rear left actuator
- Wiring harness chafed or damaged near rear left door/hatch
- Actuator motor windings or internal electronics failed
- Fuse supplying the actuator circuit has blown or poor relay contact
- Control module output driver fault (less common)
Fault status
Status
Rear Left Actuator — electrical fault detected. Possible open/short, poor connection, or actuator failure. Inspect power, ground, connector and actuator operation.
Repair difficulty: Medium
Diagnostic time: 0.5-2.5 hours
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