U0293Network Communication

Lost Communication With Hybrid Control Module

U0293 means a module has lost communication with the hybrid control module over the CAN bus. This module coordinates the engine and electric motor. It usually points to a wiring, power, ground, or connector fault.

🚗 Not recommended. Losing the hybrid control module can disable propulsion on hybrid vehicles.

HIGH

severity

🎯 Top Causes, Ranked by Likelihood

#1Wiring, connector, or CAN bus fault$50-$500

45%

Damaged or corroded wiring to the hybrid module.

#2Power or ground fault$50-$400

30%

Blown fuse or poor ground at the module.

#3Failed hybrid control module$500-$2000

15%

The hybrid control module itself has failed.

🩺 Common Symptoms

No propulsion or reduced power
Hybrid system warning message
Warning lights
Other U-codes stored
Vehicle will not move

💰 Repair Cost: DIY vs Shop

DIY Cost

$50-$500

Shop Cost

$200-$1500

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose U0293

1Check fuses, power, and grounds for the hybrid module

2Inspect CAN wiring and connectors at the module

3Scan all modules for lost-communication patterns

4Have high-voltage systems checked by a qualified technician

❓ Frequently Asked Questions

Can I drive with U0293?

Not safely. It can disable propulsion on hybrids. Diagnose it first.

What causes U0293?

Wiring, connector, or power/ground faults at the hybrid control module, most often.

Is U0293 a high-voltage code?

Yes, it involves the hybrid system. Leave high-voltage diagnosis to a qualified technician.

🔗 Related Codes

U0100U0110U0111U0140