U0140 — OBD-II trouble code

A network / communication OBD-II trouble code. Below are the vehicles and failure patterns where owners report it, drawn from NHTSA complaints.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite U0140 across 13 vehicle failure patterns. Diagnostic codes in complaints are reported by owners and are unverified — they point to where this code shows up, not a confirmed diagnosis. Open a page below for the full pattern (symptoms, mileage, repair costs owners cite).

Vehicles where owners report U0140 13 patterns

2021 Chevrolet Silverado

electrical — Tailgate Unintended Opening

2021 Ford Bronco Sport

powertrain — Complete electrical power loss while driving

2020 Chevrolet Malibu

electrical — Loss of Engine Power and Complete Shutdown

2018 Ford Focus

powertrain — Transmission and clutch shuddering, jerking, and slipping

2018 Ford F-150

powertrain — 10R80 10-speed transmission harsh, erratic, and delayed shifting

2017 Ford Explorer

steering — Electric power steering system fault / loss of power steering assist

2015 Jeep Cherokee

powertrain — Loss of Power and Transmission Shutdown

2014 Chevrolet Impala

engine — Sudden Engine Stall or Loss of Power

2014 Ford Fusion

electrical — Engine stalling and loss of power while driving

2014 Jeep Cherokee

powertrain — 9-Speed Transmission - Hesitation, Surging, and Erratic Shifting

2012 Mazda Mazda3

electrical — Electrical system dropout / power loss event

2008 Cadillac CTS

powertrain — Multiple System Failure / Loss of Engine Control

2007 Chevrolet Avalanche

electrical — Body Control Module (BCM) failure

Codes are pulled from what owners wrote in their NHTSA filings — they're allegations, not a shop diagnosis. Always confirm with a live scan. Browse all diagnostic codes →