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Service bulletin B320214

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 id10171488
Published by NHTSA2020-02-18
Manufacturer's numberB320214
Manufacturer's date2020-01-01
NHTSA componentELECTRICAL SYSTEM; STEERING

NHTSA's summary

Power-assisted Steering Intermittently Not Available at Engine Start-up: This Service Information Bulletin (Revision 1) replaces SI B32 02 14 dated November 2016. The power-assisted steering is unavailable at start up/drive readiness. No communication with the Electric Power Steering (EPS). Possible fault codes: Fault code Text D356A5 message fault (display of the check control driving dynamics 02 D: Disp_CC_DRDY_02) Timeout D359BF message fault (actual steering torque of the driver actuator ID: AVL_STMOM_DV_ACT) Timeout D356B6 message fault (display of the check control driving dynamics 02 ID: DISP_CC_DRDY_02) - Alive 480AB8 internal status management of the complete monitoring range CDA451 FlexRay message (actual steering torque of the driver actuator 49.0.2): missing CDA452 FlexRay message (actual force of the rack 49.0.2): missing D35B26 message fault (actual position of the EPS ID: AVL_PO_EPS) - Timeout D355C4 message fault (status of the electrical steering front axle ID: ST_EST) - Timeout 48083B Peripheral/functional error on the engine control unit interface Actual steering angle of the front axle; signal temporarily invalid D35COC message fault (actual force of the rack ID: AVL_FORC_GRD) - Timeout. Electric Power Steering (EPS).

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, Steering

Vehicles listed
BMW I32014, 2015, 2016, 2017, 2018, 2019, 2020
BMW X12016, 2017, 2018, 2019, 2020
BMW X1 SAV2016 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
19V6010002019-08-14. STEERING:LINKAGES:TIE ROD ASSEMBLY
19V5990002019-08-14. HYBRID PROPULSION SYSTEM; ELECTRICAL SYSTEM
20191902019-04-18. Electrical
19V3100002019-04-17. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY; HYBRID PROPULSION SYSTEM
15V8870002015-12-30. STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
20153432015-07-30. Electrical

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
B8403262026-07-31. 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.
B8402262026-07-31. 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.
B0119242025-01-23. 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.
B011920242025-01-02. 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.
B0111242024-12-31. Warranty extension. the High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years/150,000 miles as determined from the original in-service/first delivery date.
0110242024-12-31. Warranty extension. The High-Voltage (HV) Battery Assembly Cell Modules Temperature Sensors (Internal NTC repair kit-specific) limited warranty for defects in materials or workmanship has been extended to 15 years / 150,000 miles as determined from the original in-service/first delivery date.
B8403242024-10-19. 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
B6113052024-02-01. 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.
B5217232024-02-01. Service bulletin. Customer states one of the front seats is inoperative. The seat heater and power supply are inoperative. During the vehicle test, the seat module does not respond. The power supply fuse for the seat module isfound to have blown.
B6127232024-01-03. Service bulletin. When using the Key Reader to retrieve CBS information from the customer key, no current vehicle data is available, or the data does not match the maintenance schedule.