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Service bulletins for the 2014 Acura RLX

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

210 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Adaptive cruise control are shown. Show all

Bulletins, newest first
DLR MSG - 2014 R2017-07-31. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-28. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM:SOFTWARE. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published. Please note this message only applies to RLX Hybrid units. Non-hybrid units are ok.
DLR MSG - 2014 R2017-07-12. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. Dealer message - Please do not perform any software updates on 2014 RLX Hybrid units related to the Adaptive Cruise Control (ACC) unit until further notice. There is a bug in the software that causes the ACC unit to become unresponsive and require replacement. Once the bug has been fixed, another iN message will be published.
DLR MSG - ACURA2017-06-30. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL; ELECTRICAL SYSTEM:SOFTWARE. "DEALER MESSAGE - PLEASE DO NOT PERFORM ANY SOFTWARE UPDATES ON 2014 RLX HYBRID UNITS RELATED TO THE ADAPTIVE CRUISE CONTROL (ACC) UNIT UNTIL FURTHER NOTICE. THERE IS A BUG IN THE SOFTWARE THAT CAUSES THE ACC UNIT TO BECOME UNRESPONSIVE AND REQUIRE REPLACEMENT. ONCE THE BUG HAS BEEN FIXED, ANOTHER IN MESSAGE WILL BE PUBLISHED."
DLR 4-27-152015-09-03. Service bulletin. FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL. NO SOFTWARE UPDATES SHOULD BE PERFORMED ON THE 2014 RLX HYBRID UNITS DUE TO A BUG THAT MAKES THE ADAPTIVE CRUISE CONTROL UNIT UNRESPONSIVE *CN

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.