DTC P0C30-390: Hybrid Battery Pack State of Charge High [08/2013 - ]: Procedure

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DTC OUTPUT (HYBRID CONTROL)

Connect the Techstream to the DLC3.
Turn the power switch on (IG).
Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

Check for DTCs.

Result

Result	Proceed to
P0C30-390 only is output.	A
DTCs except P0C30-390 are output.	B

Turn the power switch off.

B → See step 2

A → See step 3

GO TO DTC CHART (HYBRID CONTROL SYSTEM). Refer to DIAGNOSTIC TROUBLE CODE CHART [08/2013 - ]
REPLACE POWER MANAGEMENT CONTROL ECU. Refer to COMPONENTS [08/2013 - ]