DTC P3011-123: Battery Block 1 Becomes Weak; DTC P3012-123: Battery Block 2 Becomes Weak; DTC P3013-123: Battery Block 3 Becomes Weak; DTC P3014-123: Battery Block 4 Becomes Weak; DTC P3015-123: Battery Block 5 Becomes Weak; DTC P3016-123: Battery Block 6 Becomes Weak; DTC P3017-123: Battery Block 7 Becomes Weak; DTC P3018-123: Battery Block 8 Becomes Weak; DTC P3019-123: Battery Block 9 Becomes Weak; DTC P3020-123: Battery Block 10 Becomes Weak; DTC P3021-123: Battery Block 11 Becomes Weak; DTC P3022-123: Battery Block 12 Becomes Weak; DTC P3023-123: Battery Block 13 Becomes Weak; DTC P3024-123: Battery Block 14 Becomes Weak; DTC P3025-123: Battery Block 15 Becomes Weak; DTC P3026-123: Battery Block 16 Becomes Weak; DTC P3027-123: Battery Block 17 Becomes Weak [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) See step 1
B → GO TO DTC CHART (HYBRID BATTERY SYSTEM)

A: Go to next step
READ VALUE USING TECHSTREAM (VB1 - VB17) See step   2
B → See step   3

A → See step   5

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
P3019-123 is output.	A
P3019-123 is not output.	B

HINT:

DTC P3019-123 may also stored if there is foreign matter, etc. adhering to the connecting part of the service grip.

Turn the power switch off.

B → See step 4

A → See step 6

REPLACE HV BATTERY. Refer to COMPONENTS [08/2013 - ]
REPLACE BATTERY SMART UNIT. Refer to COMPONENTS [08/2013 - ]
REPLACE SERVICE PLUG GRIP AND HV BATTERY. Refer to COMPONENTS [08/2013 - ]