U0293 on HYUNDAI SONATA — Lost Communication With Hybrid/EV Powertrain Control Module

Q: "What does U0293 mean on a HYUNDAI SONATA?"

"U0293 indicates: Lost Communication With Hybrid/EV Powertrain Control Module. This is a network communication code. 2 HYUNDAI SONATA owners have reported this to NHTSA."

Q: "What are the most common causes of U0293 on HYUNDAI SONATA?"

"Based on 2 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Unknown Or Other,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is U0293 serious on my HYUNDAI SONATA?"

"Of 2 NHTSA reports for this code on HYUNDAI SONATA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my HYUNDAI SONATA shows U0293?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What U0293 Means on Your HYUNDAI SONATA

U0293 is a diagnostic trouble code indicating: Lost Communication With Hybrid/EV Powertrain Control Module. This code relates to the network communication system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 HYUNDAI SONATA owners have reported this issue to NHTSA across model years 2017. Most reports come from the 2017 model year. The most commonly reported component is Engine (50.0% of reports).

Real HYUNDAI SONATA Owner Reports

Source: NHTSA Complaints Database

"My 2017 Hyundai Sonata Hybrid has a permanent and recurring DTC P1326 (Knock signal range/performance) from the Knock Sensor Detection System (KSDS), indicating potential connecting rod bearing wear in the Nu 2.0L engine."

— 2017 HYUNDAI SONATA owner · ENGINE · Filed 02/08/2026

"Hello! I bought a car in the USA, I live in another country. Errors that appear in the car are similar to these: [XXX] Еrror appears then, the cogd I give more gas and let go of the pedal. When the engine is heated at different speeds."

— 2017 HYUNDAI SONATA owner · ELECTRICAL SYSTEM,UNKNOWN OR OTHER,FUEL/PROPULSION SYSTEM · Filed 01/15/2024

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'17

Common Causes on HYUNDAI SONATA

Based on NHTSA complaint component analysis for this vehicle.

ENGINE 50%

ELECTRICAL SYSTEM,UNKNOWN or OTHER,FUEL/PROPULSION SYSTEM 50%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does U0293 mean on a HYUNDAI SONATA? ▾

U0293 indicates: Lost Communication With Hybrid/EV Powertrain Control Module. This is a network communication code. 2 HYUNDAI SONATA owners have reported this to NHTSA.

What are the most common causes of U0293 on HYUNDAI SONATA? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Engine, Electrical System,Unknown Or Other,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is U0293 serious on my HYUNDAI SONATA? ▾

Of 2 NHTSA reports for this code on HYUNDAI SONATA, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HYUNDAI SONATA shows U0293? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

U0293 on Other Vehicles

→ All codes reported on HYUNDAI SONATA