Service bulletin B130218

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)
Type	Service bulletin
NHTSA id	10171485
Published by NHTSA	2020-02-18
Manufacturer's number	B130218
Manufacturer's date	2020-01-01
NHTSA component	ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

DME FAULT CODE 1B8004 ENVIRONMENTAL AIR CATALYST(EAC) SENSOR: This Service Information Bulletin (Revision 1) replaces SI B13 02 18 dated April 2018. The Malfunction Indicator Lamp (MIL) light is on and the following fault code is stored in the DME: 1B8004 - EAC Sensor: Temperature - Engine coolant temperature radiator outlet comparison to each other implausible DME software calibration error for EAC sensor diagnostics.

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

Electrical system, Engine

Vehicles listed
BMW X1	2016, 2017, 2018, 2019, 2020
BMW X1 SAV	2016 to 2017

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

Recalls for the same vehicles and component
2018497	2018-09-13. Engine
18V465000	2018-07-11. ENGINE AND ENGINE COOLING:ENGINE

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
B010224	2026-08-03. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials and / or workmanship has been extended to 15 years / 150,000 miles as determined from the original first in-service / delivery date.
B840226	2026-07-31. Service campaign. Once the Telematics Module (TCB2) enters sleep mode, a BMW Data Services trigger for Remote Services(remote engine start, lock/unlock/climate conditioning) will not be able to reactivate the TCB2. Due to this issue, Remote Services will not function in the vehicle when parked and locked.
B010224	2026-05-18. Warranty extension. The EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service date.
B062525	2025-04-04. Other. Bearing Shell Return
B011924	2025-01-23. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusions that apply to the BMW New Vehicle Limited Warranty.
B01192024	2025-01-02. Warranty extension. The Telematics Control Units (TCU) Internal Emergency (Backup) Battery for defects in materials and/or workmanship has been extended to 6 years without mileage limitation, as determined from the vehicles original first in-service / delivery date.
B840324	2024-10-19. Service bulletin. The “End of life” or “Emergency call system error” Check Control message appears in the vehicle. The following fault memory entry is stored: B7F341 – Emergency battery: Hardware faulty
B010419	2024-09-29. Warranty extension. For this vehicle, the EVAP systems purge (vent) valve limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles, from the original 10 years/120,000 miles, as determined from the original in-service date. This coverage is subject to the same vehicle eligibility requirements, limitations, and exclusion criteria that apply to the BMW New Vehicle Limited Warranty. Vehicles that are registered in California or a State that has fully adopted the State of California PZEV(SULEV) emission regulation (State of registration, model, and model year dependent), the emission-relevant coverage for this component is 15 years/150,000 miles.
B010224	2024-05-31. Warranty extension. EVAP SYSTEM PURGE (VENT) VALVE EXT LTD WTY (ELW) 15/150
B611305	2024-02-01. Service bulletin. The electrical system of BMW vehicles has been subject to an ongoing development process over the last few years. This has led to increased demands being placed on the battery. This document covers important information for the dealer on how to handle “discharged battery” complaints.