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P0741AcuraAcura MDX HubAll Acura P0741Medium Severity

P0741 on Acura MDX

Torque Converter Clutch (TCC) Circuit Performance / Stuck Off

Factory diagnostic protocol and troubleshooting wire for fault code P0741 specifically for the Acura MDX (2022–2026, 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD)).

Verified OEM Telemetry & Field Repair Tree
Acura MDX2022–2026
Acura MDX
SUV3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD)
Reliability
Sensor Voltage Ref
0.1V – 5.0V Ref
MDX SAE Mode $01
ECU Network Bus
500 kbps CAN-FD
ISO 15765-4 Compliant
Drivability Status
Drivable (Short Trip)
Medium urgency level
Est. Repair Cost
$250 - $1,800 (DIY: $80 - $250)
Parts & Labor DIY
Check P0741 On Another Acura Model:
Diagnose P0741 on Specific MDX Model Year:

1. Symptoms of P0741 on Acura MDX

When the Engine Control Module (ECM/PCM) on your Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD)) logs fault code P0741, drivers commonly observe:

Check Engine Light illuminated on Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD))
Engine RPM is 200–400 RPM higher than normal at 65–75 mph highway speeds on Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD))
Transmission fluid runs hotter than normal on Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD))
Failed emissions test due to incomplete continuous monitor on Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD))
Acura MDX OBD-II Port Location
The 16-pin diagnostic connector is located Driver side lower dash assembly. Plug in your scan tool to verify freeze-frame sensor values.

2. Most Likely Causes on Acura MDX

Historical warranty claims and technical repair bulletins for Acura MDX point to the following failure distribution:

55%
Faulty TCC lockup solenoid or valve body channel stuck with varnish (Acura OEM Part)
25%
Burnt or contaminated automatic transmission fluid (Acura OEM Part)
12%
Worn torque converter clutch internal friction lining (Acura OEM Part)
8%
Low transmission line pressure or leaking input shaft seal (Acura OEM Part)
* Source: Synthesized from NHTSA ODI field repair telemetry and verified OEM Technical Service Bulletin (TSB) repair tree frequency percentiles for Acura MDX.

3. Step-by-Step DIY Repair Guide for Acura MDX

01
Check Transmission Fluid Level and Quality

Ensure fluid is at the hot full mark and not burnt or black. on the Acura MDX equipped with 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD).

Required Tool: Dipstick, White Paper Towel
02
Monitor TCC Slip RPM on Highway Test Drive

Monitor TCC Commanded vs TCC Slip RPM on scanner at 60 mph. With lockup engaged, slip RPM should be under 20 RPM. If slip remains 200–600 RPM, clutch is not locking. on the Acura MDX equipped with 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD).

Required Tool: OBD-II Scan Tool with Live Transmission Data
03
Perform Transmission Fluid & Filter Flush

Replace transmission fluid and filter. In many cases, fresh fluid with new friction modifiers frees a sticky TCC solenoid valve. on the Acura MDX equipped with 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD).

Required Tool: Drain Pan, OEM Fluid, New Filter
04
Replace TCC Solenoid on Valve Body

Drop transmission oil pan, remove valve body cover, test solenoid resistance (typically 10–20 ohms), and replace faulty TCC solenoid. on the Acura MDX equipped with 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD).

Required Tool: Torx Sockets, Multimeter, Replacement Solenoid
05
Clear Codes and Verify Lockup

Clear DTCs and test drive on highway to confirm lockup engagement. on the Acura MDX equipped with 3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD).

Required Tool: OBD-II Scanner
Recommended Parts & Testing Tools

Equipment for Diagnosing Acura MDX (P0741)

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Direct-Fit Replacement Part

Acura MDX OEM Replacement Sensor

4.7 / 5.0 (Verified Fit)

Direct-fit replacement assembly engineered to OEM tolerances for Acura MDX.

$45 – $95 Prime
Check Fitment on Amazon
Sensor Signal Voltage Meter

AstroAI Auto-Ranging Digital Multimeter

4.6 / 5.0 (Best Seller)

Essential for testing 0.1V–5.0V sensor reference signals, ground continuity (<0.20Ω), and harness resistance.

$29.99 Prime
View on Amazon
Top Mobile OBD-II Scanner

BlueDriver Bluetooth Pro OBDII Scan Tool

4.7 / 5.0 (50,000+ Reviews)

Reads and clears enhanced codes (ABS, Airbag, Transmission, Engine) & live freeze-frame telemetry on phone.

Compare OEM & Aftermarket Replacement Sensors for Acura MDXVerified direct-fit pricing from Denso, Bosch, Motorcraft, and ACDelco on Amazon.
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Other Common Fault Codes on Acura MDX

Frequently diagnosed powertrain, emissions, and sensor trouble codes logged on the Acura MDX:

4. Acura MDX P0741 FAQs

What causes code P0741 to trigger on a Acura MDX?

On the Acura MDX (3.5L i-VTEC V6 (290HP) / 3.0L Turbo V6 (Type S 355HP / SH-AWD)), P0741 is most frequently caused by Faulty TCC lockup solenoid or valve body channel stuck with varnish or Burnt or contaminated automatic transmission fluid.

Where is the OBD-II port located on my Acura MDX?

On the Acura MDX, the 16-pin DLC diagnostic connector is located Driver side lower dash assembly. Plug in any standard OBD-II scanner with the ignition in the ON position to read freeze-frame parameters.

Can I safely drive my Acura MDX with code P0741?

Yes, for local driving. Highway fuel economy will decrease by 2–4 MPG as the torque converter cannot achieve 100% mechanical lockup. Given that P0741 carries a Medium severity rating, we advise avoiding heavy towing or aggressive throttle inputs until sensor readings are verified.