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Service bulletin DLR 4-27-15

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10058338
Published by NHTSA2015-09-03
Manufacturer's numberDLR 4-27-15
Manufacturer's date2015-04-27
NHTSA componentFORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL

NHTSA's summary

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 document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Driver assistance, Adaptive cruise control

Vehicles listed
ACURA RLX2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
DLR MSG - 2014 R2017-07-31. Service bulletin. 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. 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. 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. 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. 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. "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."