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Service bulletin Campaign T4E - D

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 id10169385
Published by NHTSA2019-12-16
Manufacturer's numberCampaign T4E - D
Manufacturer's date2019-11-20
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This service campaign is to address if a vehicle is in service for any maintenance or repair, including the DTCs P315200 and P315300, both Hydrogen Pressure Sensor 1 and Hydrogen Pressure Sensor 2 must be replaced with an updated part.

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

Engine

Trouble codes named

P3152, P3153

Vehicles listed
HYUNDAI NEXO2019

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
23-EM-005H2023-12-15. Service bulletin. This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
21-EM-004H2021-04-07. Service bulletin. This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps.
21-EM-003H2021-04-06. Service bulletin. This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
Campaign T5D Dea2020-08-07. Service bulletin. This service campaign is to provide information on the software update related to the Fuel Cell control Unit (FCU) and Hydrogen storage Management Unit (HMU) on certain NEXO (FE) vehicles. This update includes logic revision for Malfunction Indicator Light (MIL) ON related to the FCU and HMU.
19-01-033H2019-12-16. Service bulletin. This bulletin provides information on DTCs P315200 and P315300. If a vehicle is in service for any maintenance or repair, including the DTCs listed above, both Hydrogen Pressure Sensor 1 and Hydrogen Pressure Sensor 2 must be replaced with an updated part.
19-HA-001H2019-05-20. Service bulletin. This bulletin provides additional service diagnostic information and repair procedures related to electric A/C compressors equipped in hybrid electric vehicles, plug-in hybrid electric vehicles, and electric vehicles.