NTB21-058

Classification:
HA21-003
Reference:
Date:
NTB21-058
June 29, 2021
2021 ROGUE; “YOUR VEHICLE’S AC SYSTEM MAY NEED
MAINTENANCE” MESSAGE
APPLIED VEHICLES:
2021 Rogue (T33)
IF YOU CONFIRM
A message stating “Potential Maintenance Needed – Your Vehicle’s AC System may need
Maintenance” (see Figure 1) displays on the vehicle’s display screen after the vehicle is
turned ON.
Figure 1
ACTION
Follow the SERVICE PROCEDURE beginning on the next page.
IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you
will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it
contains information that is essential to successfully completing this repair.
Nissan Bulletins are intended for use by qualified technicians, not 'do-it-yourselfers'. Qualified technicians are
properly trained individuals who have the equipment, tools, safety instruction, and know-how to do a job
properly and safely. NOTE: If you believe that a described condition may apply to a particular vehicle, DO
NOT assume that it does. See your Nissan dealer to determine if this applies to your vehicle.
1/2
SERVICE PROCEDURE
1.
Verify DTC B20C8-14 ECV (ELECTRICAL CONTROL VALVE) is stored in the IPDM.
2.
Clear the DTC, and follow the DTC CONFIRMATION PROCEDURE in the ESM.

If DTC B20C8-14 is in Past status, the AC compressor operation will be inhibited
until the DTC is cleared.

If DTC B20C8-14 returns after being cleared (either Current or Past status),
follow the ESM diagnosis procedure.
 For models with Automatic Air Conditioning, go to section: VENTILATION,
HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING
CONTROL SYSTEM > AUTOMATIC AIR CONDITIONING > DTC/CIRCUIT
DIAGNOSIS > B20C8-14 ECV (ELECTRICAL CONTROL VALVE).
 For models with Manual Air Conditioning, go to section: VENTILATION,
HEATER & AIR CONDITIONER > HEATER & AIR CONDITIONING
CONTROL SYSTEM > MANUAL AIR CONDITIONING > DTC/CIRCUIT
DIAGNOSIS > B20C8-14 ECV (ELECTRICAL CONTROL VALVE).
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
June 29, 2021
NTB21-058
DESCRIPTION
Original bulletin published
2/2
NTB21-058