Hybrid system malfunction

[TheGreatWhiteNorth]

I hear you. I bought the intake for the looks, "more airflow", and turbo noises it can make all while being original....

However the issue is hybrid malfunction and the tech updated me saying they don't know if this is causing the issue but that their is a code coming up as well for MA sensor

Gotcha.

Ive been working on heavy machinery and vehicles my whole career. It is just as computer intense as passenger vehicles. As such, I diagnose and troubleshoot lots of computer related issues on these vehicles.

Sometimes, actually lots of times, you get secondary codes that are seemingly unrelated to the symptom, its usually because that system is tied into other systems, like a web. When one value is off, it could throw another value off, and the computer isnt smart enough to know that you purchased a pro style intake. It may take that value change and see it as a potential failure.

Lets say...That hybrid system may only turn on when a certain MAF signal is X-Y-Z....So now its expecting a hybrid signal, and its not getting it, hence the hybrid code.

The first and most logical thing i would absolutely do, is revert it back to stock form to eliminate that part from the equation. I can absolutely see why they are requesting that.

Time is money for a mechanic, he does not want to potentially be chasing a ghost, which is a very real thing.

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[dunder]

Since the octane of our gas apparently has an effect, I wonder if it has any impact. I’m running 87. What are you using?

 

[Vintage38]

Yours might be a different issue. But my Trailhunter Hunter threw the same Hybrid System Malfunction. Toyota ended up replacing the Transmission, torque converter and Hybrid battery.

 

[exia]

Since the octane of our gas apparently has an effect, I wonder if it has any impact. I’m running 86. What are you using?

91 at this time.ive

Yours might be a different issue. But my Trailhunter Hunter threw the same Hybrid System Malfunction. Toyota ended up replacing the Transmission, torque converter and Hybrid battery.
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Funny you say that because I’ve been hearing my transmission make a loud noise hear and there and it shifting abruptly when coming to a stop. I asked tech about they said it came back okay.

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