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Home / DTC / P0741 — DCC solenoid stuck OFF

P0741 — DCC solenoid stuck OFF

Detailed page for trouble code P0741.

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Code

P0741

MITSUBISHI P — Powertrain

DCC solenoid stuck OFF

Brand: MITSUBISHI
Type: P — Powertrain
AI status
Completed
ready
Completed 100%
Page language: EN

Causes

  • Faulty DCC/TCC solenoid (stuck open or electrically failed)
  • Open/short or high resistance in solenoid wiring or poor connector pins
  • Low or contaminated transmission fluid / clogged filter or screen
  • Valve body or hydraulic passage blockage / internal leak
  • Faulty transmission control module (TCM) or engine control module (ECM) driver circuit
  • Intermittent ground or supply voltage problem

Symptoms

  • MIL/Check Engine lamp illuminated
  • No torque converter lock‑up when commanded (higher RPM at cruise)
  • Poor fuel economy and reduced highway performance
  • Transmission slips or feels soft on acceleration
  • Possible limp mode or reduced shift quality
  • Increased line pressure or unusual shift harshness if valve body is affected

What to check

  • Read and record freeze frame and all stored transmission codes with a capable scanner
  • Visually inspect transmission fluid level and condition (color, odor, metal particles)
  • Inspect harness and connector for the DCC/TCC solenoid for corrosion, damage, or pin push‑out
  • Backprobe solenoid connector and monitor command vs actual while commanding ON/OFF from scanner
  • Measure solenoid coil resistance and compare to service manual specification
  • Check for proper supply voltage and ground at the solenoid connector with key on and while commanding

Signal parameters

  • Solenoid coil resistance: typically tens of ohms (e.g., ~15–30 Ω) — verify exact spec in service manual
  • Control signal: duty cycle or on/off command from TCM (0–100% duty, frequency varies by model)
  • Supply voltage at connector: ~12 V battery when key on (fused feed)
  • Ground switching or PWM return from TCM when commanded
  • TCC command status (on/off) from scanner vs TCC actual/apply flag
  • Line/apply pressure increase when TCC is commanded (compare logged values)

Diagnostic algorithm

  1. Connect a professional scan tool, read codes and live data, record freeze frame and related codes
  2. Verify transmission fluid level and condition; correct level and replace fluid/filter if severely contaminated
  3. Visually inspect DCC/TCC solenoid harness and connector; repair any damaged wires or corroded pins
  4. Backprobe solenoid connector: check coil resistance (with ignition off) and measure supply voltage and ground while commanding ON from the scanner
  5. Command the solenoid ON/OFF with the scan tool and observe live data for TCC command and apply status; note any response delays or no change
  6. Wiggle test wiring while commanding to check for intermittent faults; repair any intermittent connectors or damaged wiring
  7. If electrical tests pass, perform hydraulic tests: check line/apply pressure per service manual and perform stall test if applicable and safe
  8. If hydraulic pressure is low or valve action is blocked, inspect/replace valve body or filter/screens as required
  9. If solenoid is out of spec electrically, replace the DCC/TCC solenoid and retest
  10. After repairs clear codes and road test under conditions that previously set the code; re-scan to confirm code does not return
  11. If all hydraulic and electrical checks pass but the fault persists, consider TCM driver circuit failure and follow manufacturer procedures for TCM testing/replacement

Likely causes

  • Failed DCC solenoid
  • Wiring harness connector corrosion or broken wire to solenoid
  • Low fluid level or degraded fluid preventing apply pressure
  • Stuck valve in valve body or stuck regulator/relief valve
  • Driver transistor in TCM not switching (rare)

Fault status

⚠️ Status
P0741 — DCC/TCC solenoid stuck OFF: TCM commanded torque converter clutch apply but no apply was detected; check solenoid, wiring, fluid and hydraulic circuits.
🟡 Repair difficulty: Medium
⏱️ Diagnostic time: 1.5-4.0 hours

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P0740 P0742 P0743 P2763 P2767
406

Browse 406 MITSUBISHI manuals: repair procedures, diagnostics, wiring diagrams, component locations, service data and Labor Times by year, model and trim.

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