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TuningBot DTC Database · v4.37.14

U0198 Lost Communication With telematics control module

Generic (OBD-II) interpretation + 1 manufacturer-specific in the TuningBot DTC database.

U · NetworkNetworkOBD2
Brand pages:Ford

Generic (OBD-II) interpretation

U0198
Lost Communication With telematics control module Generic · network Data confidence 78%

The control module stopped receiving expected network messages from the telematics control module node on the vehicle communication bus.

Symptoms

  • Multiple warning lamps possible
  • Functions of the affected module unavailable

Possible causes

  • CAN bus wiring fault (open, short, chafed harness)
  • Faulty control module loading the bus
  • Connector or terminal corrosion
  • Power supply or ground fault of a module

Recommended checks

  • Perform a full-module scan to map which modules communicate
  • Check CAN bus resistance and voltages at the diagnostic connector
  • Inspect wiring and connectors of the affected module
  • Check module power supply and grounds
  • Disconnect suspect modules one at a time only with a documented procedure

Manufacturer-specific interpretations

Ford

1 interpretation
U0198:87
Lost Communication With Telematic Control Module — Missing Message Ford · network Low Data confidence 97%

Ford SSM 51578 documents U0198:87 as a BCM self-test history DTC on the 2023 F-Super Duty. When all bulletin criteria are met, it reflects the self-test sequence rather than a confirmed module failure.

Possible causes

Incorrect internal measurement sequence during diagnostic self-test

Recommended checks

  • Perform a full BCM scan
  • Confirm that no other BCM DTC is present
  • Confirm that the MIL is off with the engine running
  • Confirm that no driveability concern is present
  • Apply Ford SSM 51578 criteria
Applies to Ford F-Super Duty P708 2023 Body Control Module (BCM)

Related and nearby codes

U01 range
U0100U0101U0102U0103U0104U0105U0106U0107U0108U0109U010AU010BU010CU010DU010EU010FU0110U0111

How to read U0198

U

Network: communication between control units.

0

Generic SAE-standard code: same meaning on every make.

198

Specific fault index within the subsystem.

Frequently asked questions about U0198

What does U0198 mean?

Lost Communication With telematics control module. The control module stopped receiving expected network messages from the telematics control module node on the vehicle communication bus.

Is U0198 generic or manufacturer-specific?

U0198 exists both as a generic OBD-II code (same meaning on every make) and with 1 manufacturer-specific interpretation(s): Ford. Always read it in the context of your vehicle.

Can TuningBot remove U0198 at file level?

Not guaranteed. Powertrain (P) codes can be reliably disabled in the ECU calibration, but body, chassis and network codes depend on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether U0198 is removable in your case.

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