The largest online repair guide library for every car

About us
Contact support
FAQ
Sign up
Sign in

2017 NSX Hybrid System Warning Light On - Reduced Power

0

Mike T. · rep 0 · May 26, 3:59 AM · 1 replies · solved · Question

Vehicle: 2017 Acura NSX Base

Hey everyone,

I've got a problem with my 2017 Acura NSX. This morning, while driving, a 'Hybrid System Malfunction' warning light came on, and I immediately noticed a significant reduction in power. It feels like the car isn't using the electric motors at all, and acceleration is really sluggish.

I pulled over, turned the car off and on again, but the warning light persists. There aren't any other specific error messages on the dash, just the general hybrid system alert. Has anyone else experienced this issue with their NSX? What was the cause and fix?

I'm a bit concerned, as this is a relatively low-mileage car. Any advice or shared experiences would be greatly appreciated before I take it to the dealer.

✓ Accepted solution

ClearTheCode Admin

ClearTheCode Team · rep 0 · May 26, 3:59 AM

0

ClearTheCode admin answer:

Experiencing a 'Hybrid System Malfunction' warning with reduced power in your 2017 Acura NSX is a serious issue that requires prompt attention. Here's a breakdown of common causes and recommended steps:

  1. Check 12V Battery Health: While it controls the hybrid system, a weak or failing 12V auxiliary battery can sometimes trigger erroneous hybrid system warnings. Ensure it's fully charged and load-tested.
  2. Scan for Diagnostic Trouble Codes (DTCs): Use an OBD-II scanner to check for specific codes. Common hybrid system codes often start with P0Axx (e.g., P0A80 - Replace Hybrid Battery Pack, P0A1A - Drive Motor 'A' Control Module Performance). These codes will pinpoint the specific component causing the issue.
  3. Inspect Hybrid System Components: The warning could stem from the high-voltage battery pack, the power inverter, motor-generator units, or associated wiring and cooling systems. A fault in any of these critical components can lead to system shutdown or reduced operation.
  4. Causes for Reduced Power: This 'limp mode' is a safety feature designed to protect the hybrid system from further damage. It indicates a critical fault, often related to battery cell imbalance, inverter failure, or a cooling issue within the high-voltage system.

When to See a Shop:

Given the complexity and high voltage involved, it is highly recommended to have your 2017 Acura NSX inspected by an authorized Acura dealership or a specialized hybrid vehicle repair facility immediately. Do not attempt to diagnose or repair high-voltage hybrid components yourself, as it can be extremely dangerous. The dealership has specialized diagnostic tools and trained technicians to safely and accurately identify and resolve hybrid system issues.

Menu

Help & account