U0293: Lost Communication With Hybrid/EV Powertrain Control Module
What Does U0293 Mean?
U0293 is a diagnostic trouble code indicating: Lost Communication With Hybrid/EV Powertrain Control Module. This code relates to the network communication system. It has been reported in NHTSA complaints across 4 different vehicle models.
Symptoms of U0293
- ⚠️ Check engine light illuminated
- ⚠️ Loss of engine power
- ⚠️ Vehicle won't start
- ⚠️ Unusual vibrations
- ⚠️ Knocking or pinging noise
- ⚠️ Traction control system activated
Common Causes
- 🔍 Turbocharger or boost system issue
- 🔍 Sensor or control module malfunction
U0293 Reports by Year
Real Owner Reports
From NHTSA complaint database — actual owner descriptions.
"2014 Toyota Rav 4 EV with 30,898 miles, the vehicle has full power but no start. towed vehicle to Toyota Dealership for dianostic it was checked with a scan tool and found code U0293, this set the code for lost communication with the EV control system. A special cable was bought to communicate with "
— Toyota Rav4 owner, 12/01/2023
"While driving 60 mph in highway, ABS, traction control and brake lights lit up and vehicle lost its effective braking power. There were no prior warnings prior to this failure. It was a sudden incident. Since it wasn't rush hour, I could safely reduce speed and bring the car to stop. Situation could"
— Toyota Prius owner, 10/21/2025
"THE PRIUS VEHICLES COVERED ONLY BY WARRANTY ENHANCEMENT ZJB ARE SUFFERING THE SAME DANGERS FROM BRAKE BOOSTER PUMP FAILURES AS THOSE TOYOTA COVERED SAFETY RECALLS D0H AND K0L. BY EXCLUDING PRIUS WITH DEFECTIVE BRAKES FROM D0H AND K0L, TOYOTA HAS LEFT THE OWNERS TO HELPLESSLY EXPERIENCE LIFE-THREATEN"
— Toyota Prius owner, 09/18/2019
Source: NHTSA Complaints Database
Most Reported Vehicles for U0293
Based on NHTSA owner complaint data.
| # | Vehicle | Reports |
|---|---|---|
| 1 | TOYOTA PRIUS | |
| 2 | HYUNDAI SONATA | |
| 3 | JEEP WRANGLER | |
| 4 | TOYOTA RAV4 |
U0293 Reports by Vehicle
Detailed NHTSA complaint analysis for each vehicle model.
Frequently Asked Questions
Can I drive with this code?
Will this code clear itself?
How do I find the exact cause?
What To Do Next
Possible Fixes
- 🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
- 🔧 Test the relevant sensor(s) with a multimeter before replacing
- 🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)
-
1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
-
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
-
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.