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U0293CriticalHybrid-EV

U0293 on 2016-2017 Toyota Camry — Lost Communication With Hybrid Powertrain Control Module

1 vehicles · 1 makes

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Most Reported On

2016-2017Toyota Camry

U0293 is an OBD-II diagnostic trouble code meaning “Lost Communication With Hybrid Powertrain Control Module.” A controller is no longer receiving the periodic data-bus messages expected from the Hybrid (HEV/EV) Powertrain Control Module, the supervisory controller coordinating engine, motor(s), and high-voltage battery. Set after a calibrated timeout, it indicates lost communication with that module. This code is most commonly reported on 2016-2017 Toyota Camry.

On This Page

  • Common Causes
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (1)
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Common Causes

1Power/ground or HV-control supply loss to the hybrid powertrain module
2Open/shorted bus wiring
3Corroded/loose connectors
4Failed hybrid powertrain control module
5Network/gateway fault

Diagnostic Tools

To diagnose U0293, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

by ANCEL

A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

  • Read & clear engine codes
  • View freeze frame data
  • I/M readiness status
  • No batteries or app needed
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Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

by Autel

Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

  • All-system diagnostics (25+ modules)
  • Bi-directional control & active tests
  • Oil reset, EPB, BMS, TPMS, injector coding
  • 7-inch touchscreen with Android OS
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Vehicles Affected (1)

Toyota U0293 page →
CamryMinor

2016-2017 Fujitsu Ten Entune Software Issues - T-SB-0003-19

2016-20170 reports

Related Codes (8)

U0291Lost Communication With Gear Shift Control Module "B"U0292Lost Communication With Drive Motor Control Module "B"U0294Lost Communication With Powertrain Control Monitor ModuleU0295Lost Communication With AC to AC Converter Control ModuleP0A00Motor Electronics Coolant Temperature Sensor CircuitP0A01Motor Electronics Coolant Temperature Sensor Circuit Range/PerformanceP0A02Motor Electronics Coolant Temperature Sensor Circuit LowP0A03Motor Electronics Coolant Temperature Sensor Circuit High

FAQ

What does U0293 mean?

U0293 stands for "Lost Communication With Hybrid Powertrain Control Module." A controller is no longer receiving the periodic data-bus messages expected from the Hybrid (HEV/EV) Powertrain Control Module, the supervisory controller coordinating engine, motor(s), and high-voltage battery. Set after a calibrated timeout, it indicates lost communication with that module.

What are the most common causes of U0293?

The most common causes of U0293 are: Power/ground or HV-control supply loss to the hybrid powertrain module, Open/shorted bus wiring, Corroded/loose connectors, Failed hybrid powertrain control module, Network/gateway fault. The specific cause varies by vehicle.

How much does it cost to fix U0293?

Repair costs vary widely depending on the root cause and vehicle.

Which vehicles are affected by U0293?

Au7o has documented U0293 across 1 vehicle models from 1 manufacturers: Toyota.

Sources (1)

  • TSBToyota T-SB-0003-19: Entune Audio Head Unit Software Update
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Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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