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Service bulletin Service Bulletin

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 id10108835
Published by NHTSA2017-07-31
Manufacturer's numberService Bulletin
Manufacturer's date2015-02-13
NHTSA componentPOWER TRAIN

NHTSA's summary

Service bulletin - On some 2012-14 CR-V's and in cold weather, the AWD indicator may come on with DTC C1850-14 (low or no torque to the rear wheels). Over time, moisture and cold weather will cause the AWD relay to fail.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline

Trouble codes named

C1850

Vehicles listed
HONDA CR-V2012, 2013, 2014

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

Recalls for the same vehicles and component
13V1430002013-04-15. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
000101282022-05-09. Service bulletin. Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle; refer to the address card for the affected VIN. The vehicle's battery sensor monitors the battery condition and determines the charging mode. In some cases, because of the battery condition and your driving habits, the PCM may not select the correct charge mode resulting in a battery with a low state of charge. If the battery has a low state of charge, the engine may not start.
101282021-05-07. Service bulletin. Our records indicate that a PRODUCT UPDATE has not been completed on this vehicle to the address card for the affected VIN. The vehicle's battery sensor monitors the battery condition and determines and the charging mode. In some cases, because of the battery condition and your driving habits, the PCM may not select the correct charge mode resulting in a battery with a low state of charge. If the battery has a low state of charge, the engine may not start.
A17-0632017-09-27. Service bulletin. Service bulletin - The water pump seized or the drive belt shredded. The water pump bearing is out of specification.
DLR MSG - RFP -2017-07-31. Service bulletin. Dealer message - American Honda (AHM)is investigating certain 2014-2015 CR-Vs with a complaint of a buzzing vibration while driving at highway speeds (75-85 mph). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
DLR MSG - RFP -2017-07-31. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014-2015 CR-Vs with a complaint of a buzzing vibration while driving at highway speeds (75-85 mph). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
Service Bulletin2017-07-31. Service bulletin. Service bulletin - The electric differential pressure solenoid (EDPS) in the rear differential has excessive oil pressure, causing the AWD indicator to come on and DTC C-1858-73 (differential fluid pressure deviation high) to set.
DLR MSG - RFP -2017-07-31. Service bulletin. Dealer message - American Honda (AHM) is investigating certain 2014-2015 CR-Vs with a complaint of a buzzing vibration while driving at highway speeds (75-85 mph). To fully understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
A17-0402017-07-31. Service bulletin. Service bulletin - A surge, vibration, or judder may be felt while driving under light acceleration. To minimize the possibility for the judder to occur, a software update for the transmission is available at the customer's request. Additionally, the transmission fluid will be replaced. Complete 15-086 first to update the vehicle. If the judder returns after updating the vehicle, the torque converter may need to be replaced.
A15-0862017-07-31. Service bulletin. Service bulletin - A surge, vibration, or judder may be felt while driving under light acceleration. To minimize the possibility for the judder to occur, a software update for the transmission is available at the customer's request. Additionally, the transmission fluid will be replaced. If the judder returns after the software update, refer to Service Bulletin 17-040, Vibration While Driving Under Light Acceleration After Software Update.
A17-0402017-07-31. Service bulletin. Service bulletin - to occur, a software update for the transmission is available at the customer's request. Additionally, the transmission fluid will be replaced. Complete 15-086 first to update the vehicle. If the judder returns after updating the vehicle, the torque converter may need to be replaced. Refer to the INSPECTION section of this bulletin.