U0293 — Lost communication with the hybrid vehicle control module

Code U0293 is a standard OBD-II diagnostic trouble code: Lost communication with the hybrid vehicle control module.

In our record, U0293 is reported most often on Toyota and Hyundai vehicles , against electrical and cruise control failure patterns , across 2012–2017 model years. Toyota alone accounts for 60% of them.

In ProblemsByVin's analysis of the NHTSA owner-complaint record, owners cite U0293 across 5 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 U0293 5 patterns

2017 Hyundai Sonata

electrical — Hybrid system failure (HEV)

2014 Toyota RAV4

electrical — EV Control System Communication Loss (2014 RAV4 EV)

2014 Toyota Prius

cruise control — Brake booster pump assembly failure causing unintended acceleration

2012 Hyundai Sonata

engine — Engine Seizure / Complete Engine Failure

2012 Toyota Prius

brakes — Brake Booster and Accumulator Internal Leak / 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 →