2018 Acura RDX Technical Service Bulletins

56 technical service bulletins (TSBs) are on record for the 2018 Acura RDX. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 11019892Jun 4, 2025Transmission and drivetrain. Owner Notification Letter - Under certain circumstances, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and sets DTC P0741 Torque Converter Clutch Circuit Performance or Stuck Off.
• 11019894Jun 3, 2025Transmission and drivetrain. Owner Notification Letter - Under certain circumstances, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and sets DTC P0741 Torque Converter Clutch Circuit Performance or Stuck Off.
• 11017329Apr 18, 2025Engine. Service Bulletin - The lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
• 11017327Apr 18, 2025Engine. Dealer Message - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the MIL not illuminating. “D” flashes and “Transmission Overheat” message appears setting DTC P0741 Torque Converter Clutch…
• 10251152Feb 26, 2024Transmission and drivetrain, Engine cooling. Service Bulletin - The lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
• 10248978Jan 10, 2024Engine cooling. Service Bulletin - The MIL comes on during vehicle operation due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
• 10247626Dec 15, 2023Fuel system, Engine cooling. Service Bulletin - Due to variations in the purge control solenoid valve spring, the valve wears unevenly and intermittently sticks. This may result in setting DTC P0441 (Evaporative Emission (EVAP) System Purge Flow Malfunction).
• 10245558Nov 17, 2023Engine cooling, Transmission and drivetrain. Service Bulletin - The lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock-up clutch capacity results in the transmission indicator flashing “D” and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
• 10241888Aug 31, 2023Engine cooling, Transmission and drivetrain. Service Bulletin - The lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock up piston. The reduced lock-up clutch capacity results in the Malfunction Indicator Lamp (MIL) and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
• 10241881Aug 31, 2023Transmission and drivetrain, Engine cooling. Dealer Message - Torque converters may not have been manufactured to proper specifications. As a result, the torque converter lock-up clutch cannot provide adequate holding force due to pressure bleeding down through a crack in the lock-up piston. The reduced lock-up clutch capacity results in the MIL illuminating and set DTC P0741 Torque Converter Clutch Circuit Performance or Stuck OFF.
• 10213560May 2, 2022Equipment. Dealer message - American Honda is investigating a potential quality concern with RDX Accessory Cross Bar kit. Due to this investigation, American Honda is requesting all dealers to return any uninstalled inventory to American Honda for investigation and validation by the supplier.
• 10211102Apr 13, 2022Engine cooling. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10210096Mar 28, 2022Electrical system, Fuel system, Engine. Dealer message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10209092Mar 11, 2022Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10208407Feb 22, 2022Engine cooling, Fuel system, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10208095Feb 7, 2022Fuel system, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10206804Jan 21, 2022Engine, Electrical system, Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10206450Jan 3, 2022Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10205468Dec 15, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10203819Nov 29, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10203637Nov 16, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10202919Oct 30, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10202330Oct 13, 2021Suspension. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202328Oct 13, 2021Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10202289Oct 5, 2021Suspension. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10202040Sep 27, 2021Fuel system, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10202039Sep 23, 2021Electrical system, Fuel system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10202038Sep 23, 2021Back-over prevention (rear camera). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2018 RDXs with a client complaint of the rear view camera loose or hanging. Clients may also notice a shaky image or a skewed angle view on the rear view camera screen when the vehicle is in reverse. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a…
• 10201456Sep 7, 2021Suspension. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10200856Aug 30, 2021Fuel system, Electrical system. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2020 MDXs, RDXs & TLXs with a client complaint of the Malfunction Indicator Light (MIL) on with the DTC P030X (Cylinder Misfire Detected), P0171 & P0174 (Rear/Front Bank Fuel System Too Lean), or P219A&B (Air-Fuel Ratio Variation of Cylinder) stored. To better understand the cause of this condition, AHM would like to collect…
• 10200855Aug 29, 2021Back-over prevention (rear camera). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2018 RDXs with a client complaint of the rear view camera loose or hanging. Clients may also notice a shaky image or a skewed angle view on the rear view camera screen when the vehicle is in reverse. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a…
• 10200542Aug 19, 2021Suspension. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2017-2021 ILXs, 2022 MDXs & 2017-2018 RDXs with a client complaint of front suspension/damper noise. Noise can be described as knock, clunk, rattle, thump or creak. To better understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10200424Aug 11, 2021Equipment, Electrical system, Back-over prevention (rear camera). Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2016-2018 RDXs with a client complaint of the rear view camera loose or hanging. Clients may also notice a shaky image or a skewed angle view on the rear view camera screen when the vehicle is in reverse. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a…
• 10181084Oct 1, 2020Steering. Service Bulletin - While driving, the steering wheel rattles when you turn it.
• 10180017Sep 18, 2020Engine cooling. Service Bulletin - The timing belt area chirps after the engine warms up.
• 10160873May 16, 2019Electronic stability control. ServiceNews Article - When removing and installing a cable reel, you need to keep both the cable reel and the steering angle sensor in position. If you don't, the VSA indicator may come on along with one or more VSA DTCs. And when you run the Neutral Memorization Procedure in the i-HDS, it won't complete.
• 10156626Mar 28, 2019Brakes, Steering. Service Bulletin - The front brakes squeal when lightly applied. There may also be vibration through the steering wheel while braking.
• 10156624Mar 28, 2019Brakes. Service Bulletin - This bulletin replaces S/B 16-002, Front Brake Noise and/or Front Brake Judder (2013-16 RDX). This bulletin is replaced by S/B 19-009, Front Brake Noise and/or Front Brake Judder. If you completed work pursuant to S/B 17-049 on or before March 28, 2019, make sure to use the warranty claim information provided below.
• 10149640Nov 15, 2018Brakes. "Service bulletin - There is front brake noise during light brake pedal application. A vibration may also be felt through the steering wheel while braking. 2013-15 RDX and early 2016 RDX: Inspect the front brake discs for the proper date stamp. Then, either install new brake discs and pads, or refinish the front brake discs, and install new pads. Late 2016 RDX, 2017 RDX, and early 2018 RDX: Refinish the front brake…
• 10145902Oct 12, 2018Brakes. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-19 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10145425Sep 27, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018-19 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10145407Sep 18, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10145404Sep 17, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10145397Sep 17, 2018Brakes. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10144389Aug 31, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10144372Aug 15, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10143695Jul 24, 2018Brakes. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2018 RDXs with a client complaint of the front brake noise when applying the brake lightly. The noise can be described as squeak or squeal. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
• 10143346Jul 12, 2018Equipment. Service news article - If the On Demand Multi-Use Display? (ODMD) isn't responding to touch or is freezing up, the reason could be there's debris lodged in the gap between the touch screen and the bezel. Lodged debris contacting the screen can cause a false input, resulting in this issue. And since that gap widens and narrows with cabin temperature, this issue can be intermittent, especially in cold weather.
• 10143213Jul 12, 2018Equipment. Service news article - If the On Demand Multi-Use Display? (ODMD) isn't responding to touch or is freezing up, the reason could be there's debris lodged in the gap between the touch screen and the bezel. Lodged debris contacting the screen can cause a false input, resulting in this issue. And since that gap widens and narrows with cabin temperature, this issue can be intermittent, especially in cold weather.
• 10142624May 9, 2018Equipment. Service bulletin - The navigation system may show inaccurate location due to GPS signal loss. There is interference in the antenna that causes GPS signal loss.

← All problems reported for the 2018 Acura RDX