ITB23-001

Classification:
EC22-013
Reference:
Date:
ITB23-001
January 18, 2023
MIL ON WITH DTC P0101 AND/OR P010B STORED IN THE ECM
APPLIED VEHICLES:
APPLIED ENGINES:
2016-2023 Q50 (V37)
2017-2022 Q60 (CV37)
VR30DDTT
SERVICE INFORMATION
If the MIL is ON and DTC P0101 (MAF SEN/CIRCUIT-B1) and/or DTC P010B (MAF
SEN/CIRCUIT-B2) is stored in the ECM on an APPLIED VEHICLE, follow the information
in this bulletin along with the ESM to complete the required repairs.
Air Duct Passenger
(RH) side
Air Duct Driver
(LH) side
Figure 1
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 Infiniti retailer to determine if this applies to your vehicle.
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To avoid damage to the vehicle, only remove the Mass Air Flow Sensor from the Air
Cleaner Cover if necessary.
1.

Never shock the Mass Air Flow Sensor.

Never disassemble the Mass Air Flow Sensor.

Never touch the sensor of the Mass Air Flow Sensor.
Inspect the applicable Air Duct(s) for any leaks or poor connections.

For DTC P0101, inspect the passenger (RH) side Air Duct (Figure 2 and Figure 3).

For DTC P010B, inspect the driver (LH) side Air Duct (Figure 4 and Figure 5).
Air Cleaner Case to Air
Duct connection (RH)
Passenger (RH) side
Air Cleaner Case
Figure 3
Figure 2
Air Cleaner Case to Air
Duct connection (LH)
Driver (LH) side Air
Cleaner Case
Figure 5
Figure 4
2.
Disconnect/remove the Air Duct as needed, and then correctly reconnect/reinstall the
Air Duct, ensuring there are no leaks.


For 2016-2019 models, refer to ESM: ENGINE > ENGINE MECHANICAL >
VR30DDTT > REMOVAL AND INSTALLATION > AIR CLEANER AND AIR DUCT
> Removal and Installation
For 2020-2023 models, refer to ESM: REPAIR > ENGINE > ENGINE
MECHANICAL > REMOVAL AND INSTALLATION > AIR CLEANER AND AIR
DUCT > Removal and Installation
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ITB23-001
AMENDMENT HISTORY
PUBLISHED DATE REFERENCE
January 18, 2023
ITB23-001
DESCRIPTION
Original bulletin published
3/3
ITB23-001