Code Definition

U110A — Lost Communication With Steering Column Module (SCM)

System: Network Communication  |  Type: Manufacturer-Specific  |  Make: Jeep

About U110A

U110A is a manufacturer-specific network communication diagnostic trouble code recorded for Jeep vehicles. It belongs to the U-prefix family of codes, which covers inter-module network communication (CAN, LIN, FlexRay, or similar) faults.

Scanning & clearing: Network (U) codes report communication faults between modules. When diagnosing U-codes, checking the vehicle's CAN bus integrity, supply/ground at each module, and reading all modules for related faults is usually the first step.

U110A is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The Steering Column Module (SCM) manages steering column functions such as the multifunction stalk switches, ignition status, and steering wheel controls, and shares this data with the Body Control Module, Powertrain Control Module, and gateway over the CAN data network. DTC U110A is a manufacturer specific network code set when a receiving module stops receiving valid CAN messages from the Steering Column Module for a calibrated period while the ignition is on and the rest of the network is communicating. The fault usually means the SCM has gone offline due to loss of power or ground, a CAN w...

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