U0594

Invalid Data Received From Hybrid/EV Powertrain Control Module

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–278 (est.)

Symptoms

Check Engine light comes on
Reduced engine power
Problems with switching hybrid system modes
Unstable transmission operation
Errors in other vehicle systems

Causes

Problems with the CAN bus
Malfunction of the hybrid system control module
Wiring harness damage
Bad contacts in connectors
Software errors in the control module

How to Fix

Check connections and wiring integrity
Scan all modules for errors
Check the voltage and resistance in the CAN bus
Update module software
If necessary, replace the hybrid system control module

Related codes

U0593 U0595 U0100