P0E13

Hybrid/EV Battery Pack Coolant Heater A Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Hybrid system power reduction
Reducing electric range
Check Engine Light Illuminates
Reduced battery performance in cold weather
Possible error messages in the hybrid system

Causes

Battery coolant heater malfunction
Problems with wiring or connections in the control circuit
Malfunction of the hybrid system control module
Damaged or corroded connectors
Heater Circuit Fuse or Relay Problems

How to Fix

Check the condition of the battery coolant heater
Inspect the wiring and connections in the control circuit
Check heater circuit fuses and relays
Scan the hybrid system control module for other errors
If necessary, replace the heater or repair the wiring

Related codes

P0E12 P0E14 P0E15