Car won’t go into drive. Same lights as thermostat.

Acura has noted that this is a known and documented issue internally but only have affected a very small amount of units, replacement part is same part #.

Issue: 3rd brake light shorted out causing the b5 fuse to blow which ties into the system that determines if your foot is on the brake or not. If this fuse goes out, you will be unable to crank the car. You can check to see if you’re experiencing the issue by simply checking to see if pressing the brake activates the 3rd brake light

Temporary solution: In the fuse box under the hood, use one of the spare fuses to get the car to crank(note: it may also blow that fuse so don’t shut the car off). This will at least prevent you from being stranded like I was.

Permanent resolution: Replace 3rd brake light unit and the b5 fuse.

Night Vision-Headlight adjustment

Night Visibility issue anyone?
I had a chance to drive the car in pitch dark up in Napa last weekend.
I felt the “low beam” headlight pattern was much too low to have safe visibility. Has anyone had an issue?

I got a PDF on alignment and set up to do that procedure & it’s just a pain in the butt. The lights were low by this test but it was a tough measurement.

Then I got smart. I lined up the Tesla & the NSX and compared patterns 60′ across the street. The NSX was significantly lower.
I made a 1/4 turn Clockwise on both and settled for that for now. (It would take about 5/8-3/4 turn to be as high as the Tesla.)
The NSX headlight have a very well defined pattern, or very little “fringe area”.
The NSX is also relatively bumpy ride so that’s why I settled lower than the Tesla for now.
Night visibility is improved, but I would like it a little higher I think.

Easy to do:
A 10 mm socket & 3′ extension.
Marked both adjust with a horizontal reference line toward center line of car.
1/2 turn is a significant change…
Picture & PDF below


[Another Owner feed back: QUOTE=L.L.;1959570]The guide for adjustment with visuals was very helpful. The visibility prior to adjustment was horrible at high speeds. The ideal setting for me is one full turn higher than stock. It probably could go another 1/4 to 1/2 turn before blinding other cars but probably not needed at this point.[/QUOTE]

Acura NSX Headlight adjustment pdf:

61T6N-NSX Headlight adjustemnts

TPMS Sensor Learning/Re-Learning

According to an Acura Wheel Installation information sheet, the procedure to sync the TPMS sensors to the car is straightforward:

Drive the vehicle for at least 40 seconds at a speed
of 15 mph (24 km/h) or more, and all sensor IDs will
be memorized automatically.

It is unclear at this time how many times this can be repeated, but it has been used to successfully re-learn a new set of wheels by one owner already.  So far, this only applies to the OEM wheels and TPMS sensors.

Faulty Thermostat

If you see these faults, and the powertrain control module (PCM) reports code  P0128 your thermostat may be defective.


If your vehicle is under warranty, the thermostat will be replaced. The defective thermostat has a seal that becomes dislodged as shown in the following photo.

The replacement procedure includes removal of the rear trunk tub (the factory service tray is shown in place).

More information: Acura Technical Service Bulletin 17-048

Photo credits: Terrence B, Travis D.