2019 Toyota Prius (NHP10R) — Repair Solution

1.5L 1NZ-FXE 4cyl 16v DOHC VVT MPFI Petrol/HEV CVT · Warning Light / Electrical Malfunction · Electrical

Toyota Prius (NHP10R) Warning Light / Electrical Malfunction Electrical Diagnostic Sequence Available

Vehicle Details

Make: Toyota
Model: Prius (NHP10R)
Year: 2019
Engine: 1.5L 1NZ-FXE 4cyl 16v DOHC VVT MPFI Petrol/HEV CVT
Kilometres: 350,282
Area: Electrical
Category: Warning Light / Electrical Malfunction

Customer Complaint

Message on the dash, Maintenance required for battery cooling parts, see owner's manual.

Problem Summary

Switch the ignition on and the warning is instant.

Diagnostic Sequence

The step-by-step diagnostic process used to identify this fault is available to TaT members.

Unlock with Free Trial

Fault Description

The detailed fault description and root cause analysis for this 2019 Toyota Prius (NHP10R) is available to TaT members.

Unlock with Free Trial

Verified Repair Solution

The confirmed repair procedure for this 2019 Toyota Prius (NHP10R) is available to TaT members. Includes the verified fix and technician tips.

Unlock with Free Trial

Quick Facts

CodeTOYNH19436
Vehicle2019 Toyota Prius (NHP10R)
Engine1.5L 1NZ-FXE 4cyl 16v DOHC VVT MPFI Petrol/HEV CVT
ComplaintVisible
Diag. SequenceMembers Only
SolutionMembers Only

Need the Full Fix?

Get the complete diagnostic sequence, verified solution, and technician tips.

Access the Full Repair Solutions Database

Unlock 6,127 verified repair solutions with complete diagnostic details, confirmed fixes, and technician tips.


© 2026 The Automotive Technician (TaT) — www.tat.net.au