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Home / DTC / C2365 — Shift Control Solenoid Valve(SCSV)- B

C2365 — Shift Control Solenoid Valve(SCSV)- B

Detailed page for trouble code C2365.

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Code

C2365

HYUNDAI C — Chassis

Shift Control Solenoid Valve(SCSV)- B

Brand: HYUNDAI
Type: C — Chassis
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Page language: EN

Causes

  • Failed or sticking shift control solenoid valve (SCSV) B
  • Open, shorted or high-resistance wiring in the SCSV-B circuit
  • Corroded, loose or damaged connector/terminal at the solenoid
  • Contaminated or low automatic transmission fluid (ATF) causing valve sticking
  • Internal valve body contamination or mechanical damage
  • Faulty Transmission Control Module (TCM) or software error

Symptoms

  • Transmission fault warning light or MIL illuminated
  • Harsh, delayed or erratic shifts
  • Transmission stuck in limp/limitation mode or limited gears
  • Inability to shift into certain gears or slipping
  • Unusual transmission noises during gear changes
  • Reduced performance or poor fuel economy

What to check

  • Scan for freeze-frame, pending and related transmission codes
  • Check ATF level and condition (color, smell, contamination)
  • Visually inspect wiring and connectors at solenoid and TCM for damage or corrosion
  • Measure SCSV-B coil resistance with solenoid disconnected at connector
  • Check circuit for continuity, shorts to ground and short to battery voltage
  • Backprobe solenoid connector while commanding from a scan tool and observe voltage/PWM response

Signal parameters

  • Nominal coil resistance (typical): ~12–28 ohms (model-dependent) — consult model-specific data
  • Operating voltage: battery voltage (~11–14.5 V) when commanded ON; PWM duty from 0–100% when modulated
  • Typical PWM frequency range: ~50–200 Hz (varies by transmission design)
  • Typical coil current when activated: ~0.4–1.5 A (dependent on coil resistance and supply)

Diagnostic algorithm

  1. Connect a scan tool, read/record freeze-frame and related codes; note operating conditions when fault occurred
  2. Perform a visual inspection of transmission connectors, wiring harness, and ground connections for damage, corrosion or loose pins
  3. Check ATF level and condition; if fluid is burnt or contaminated, consider fluid/filter service before electrical replacement
  4. Disconnect battery negative if required by manufacturer's procedure for safe testing
  5. Disconnect SCSV-B connector and measure coil resistance with a multimeter; compare to specification. If open or shorted, replace solenoid
  6. With harness connected, check for continuity between solenoid connector and TCM pin; check for short to ground or to battery
  7. Backprobe the solenoid connector while commanding the solenoid ON/OFF with a scan tool; verify proper voltage or PWM duty changes and that voltage matches battery when ON
  8. If electrical values are correct but operation is faulty, remove valve body or access solenoid and inspect for contamination or mechanical binding; clean or replace solenoid/valve body as required
  9. If electrical circuit tests show no fault but TCM output is absent or abnormal, verify TCM power/ground and consider TCM diagnostic/repair per manufacturer procedures
  10. Clear codes and road test after repair; verify code does not return and that shifts are restored to normal
  11. If intermittent faults persist, inspect wiring routes for movement/abrading and perform wiggle tests while monitoring live data

Likely causes

  • SCSV-B coil resistance out of specification (open or short)
  • Damaged harness insulation or chafed conductor to solenoid connector
  • Poor connector pin contact (corrosion/bent pins) at transmission harness
  • Debris or metal particles in valve body preventing solenoid plunger movement
  • Intermittent TCM driver output or internal driver failure

Fault status

⚠️ Status
DTC C2365 — Shift Control Solenoid Valve (SCSV) B circuit or operation fault detected by the transmission control module.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.0-3.0 hours

Similar codes

C2360 C2361 C2362 C2363 C2364 C2366
371

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