P0C14

Drive Motor B Inverter Phase U Over Temperature

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$556–1667 (est.)

Symptoms

Reducing power or turning off the hybrid system
Malfunction warning on the dashboard
Overheating of components in the engine compartment
Limiting motor performance

Causes

Inverter cooling system malfunction
Motor overload (for example, when towing)
Problems with phase U temperature sensor
Malfunction of the inverter itself
Poor contact in power circuits

How to Fix

Check the level and circulation of the inverter system coolant
Diagnose inverter temperature sensors
Check connections and wiring of power circuits
Test the inverter on the bench
Repair or replace motor inverter B

Related codes

P0C13 P0C15 P0A00