MAZDA
Reported code forms U0198:00
DESCRIPTION Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail.…
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U0198 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
MAZDA
Reported code forms U0198:00
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 04/17/26, 03/04/26 and 02/26/2026 DESCRIPTION Some customers may experience a message "TCU Malfunction.…
MAZDA
Reported code forms U0198:00
Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. Additional symptoms that may occur: Connected Vehicle One Time Passcode (OTP) may fail. • Connected…
MAZDA
Reported code forms U0198:00
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-012/26 02/26/2026 DESCRIPTION Some customers may experience a message "TCU Malfunction. Have the Vehicle…
MAZDA
Reported code forms U0198:00
This Service Alert supersedes the previously issued SA(s) listed below. The changes are noted in Red. SA-060/25 12/16/25 Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the…
MAZDA
Reported code forms U0198:00
Some customers may experience a message "TCU Malfunction. Have the Vehicle Inspected" in the instrument cluster. The following DTC's may be stored: B1252:87-8B:TCU - COMMUNICATION ERROR WITH CONNECTIVITY MASTER UNIT…
FORD
Reported code forms U0198:87
Some 2023 F-Super Duty vehicles may set DTCs B109F:55, B1330:9A, U0252:87, U0198:87, U0184:87, U0155:87, U0256:87, and/or U0100:87 in the BCM when a diagnostic self-test is performed. This may be due to an incorrect…
FORD
Reported code forms U0198:00
Some 2022 Transit vehicles may exhibit a DTC U0198:00 stored in the APIM but does not exhibit any customer concerns around the vehicle location or global positioning system (GPS). This may be due to the software in the…
FORD
Reported code forms U0198:00
Some 2022 F-150 vehicles built on 04-Aug-2022 and through 20-Sep-2022 at Dearborn Truck Plant (DTP) may exhibit inoperative FordPass activation, a Feature Unavailable error message when trying to activate the vehicle…
FORD
Reported code forms U0198:00
Some 2022 F-150 vehicles built on 04-Aug-2022 and through 20-Sep-2022 at Dearborn Truck Plant (DTP) may exhibit inoperative FordPass activation, a FEATURE UNAVAILABLE error message when trying to activate the vehicle…
FORD
Reported code forms U0198:00
Some 2022 Transit vehicles may exhibit a DTC U0198:00 stored in the APIM but does not exhibit any customer concerns around the vehicle location or global positioning system (GPS). If the vehicle exhibits GPS or location…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering…
BUICK, CHEVROLET
Reported code forms U0198-00
This technical bulletin provides repair information to correct customer concerns of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, AWD/ 2WD Light Toggles Randomly, Malfunction Indicator Lamp…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunctionà ̄‚·…
BUICK, CHEVROLET
Reported code forms U0198-00
This technical bulletin provides repair information to correct a customer concern of Power Liftgate and/or Instrument Panel Cluster (IPC) Inoperative, No Audio, Malfunction Indicator Lamp (MIL) Illuminated - DTC…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored:à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunction à ̄‚·…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored:à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunction à ̄‚·…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunction à ̄‚·…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: à ̄‚· B119F:01 TCU - Tel antenna No. 1 malfunction à ̄‚·…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering…
MAZDA
Reported code forms U0198:00
Some customers may experience a "IN-VEHICLE NETWORK MALFUNCTION" warning message in the instrument cluster with one or more of the following DTC's stored: B119F:01 TCU - Tel antenna No. 1 malfunction B1252:87 TCU -…
FORD, LINCOLN
Reported code forms U0198
Some 2018-2020 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization and/or accessory protocol interface module (APIM)…
FORD, LINCOLN
Reported code forms U0198
Some 2017-2020 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization and/or accessory protocol interface module (APIM)…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern of IPC gauges inoperative or fluctuate, No Start, No Crank, SIR Light / Service Airbag Message, Service Suspension Message, Radio display blank, Steering…
FORD, LINCOLN
Reported code forms U0198
Some 2018-2019 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization and/or accessory protocol interface module (APIM)…
FORD, LINCOLN
Reported code forms U0198
Some 2018-2019 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization and/or accessory protocol interface module (APIM)…
FORD, LINCOLN
Reported code forms U0198
Some 2018-2019 Ford and Lincoln vehicles equipped with a TCU may exhibit inoperative remote features via Ford Pass/Lincoln Way mobile app, incomplete user authorization and/or accessory protocol interface module (APIM)…
CADILLAC, CHEVROLET, GMC
Reported code forms U0198
This Preliminary information communicates a customer concern ofIPC gauges inoperative or fluctuate, No Start,No Crank,SIR Light / Service Airbag Message, Service Suspension Message,Radio display blank, Steering Wheel…