Rancho Cordova, CA · Installation & replacement

We service and repair Teslas.

From dead battery packs to A/C compressors, PTC heaters, and drive units, we fix Teslas with our own tested used parts, installed in-house in Rancho Cordova. Contact us and we'll diagnose it, often remotely, before you commit to anything.

Remote diagnosis available

Tesla high-voltage battery being serviced at Donut Auto Parts, Rancho Cordova

How it works

How we diagnose and fix it

  1. 01

    Tell us what's wrong

    Call, text, or fill the form with what your Tesla is doing and your model and year. You don't need to know the error code.

  2. 02

    We diagnose, often remotely

    We run a remote diagnostic with Tesla Toolbox and can usually pinpoint the fault without the car in the shop, then tell you what it takes.

  3. 03

    We replace and warranty it

    We install the tested part in-house at 3730 Omec Circle and back it with a warranty. Drivable or not, we can help.

Request a quote

Tell us what's wrong and we'll call you back.

Leave your details and what's going on with your Tesla. We'll call you back, often after a quick remote diagnosis, with what it takes and a price.

  • BAR registered auto repair shop (California Bureau of Automotive Repair)
  • 45,000+ parts in stock, we almost always have what your Tesla needs
  • Tested used OEM parts, installed in-house
  • Remote diagnostics with Tesla Toolbox
  • Warranty on every install
  • Flexible financing available, pay over time with Affirm or Klarna
Call or text 916-713-5256

Get your price now

Only your name and phone are required. It takes under a minute.

Is the vehicle drivable? optional

We call back within 1 business day.

Tesla high-voltage battery pack being serviced at Donut Auto Parts

In-house service · Rancho Cordova, CA

We diagnose, replace, and stand behind it.

Buy the part from us and we'll replace it in-house at 3730 Omec Circle with a warranty, 60 days on most parts and up to 2 years on batteries. We run remote diagnostics with Tesla Toolbox and take drivable and non-drivable cars, and we cover vehicle shipping to us within 500 miles.

Problems we fix

Common Tesla problems we fix

Seeing one of these on your screen? Here's what it usually means. No code? Just tell us the symptoms and we'll diagnose it.

What you see on screen Common error codes What it usually means
Maximum battery charge level reduced BMS_a074, BMS_a066 Cell imbalance. The BMS lowered the charge limit to protect weaker cells. Often needs a pack or module.
Pack requires replacement BMS_f107 & related An internal battery fault. We confirm it with Tesla Toolbox and replace with a tested pack or module.
Cabin climate control system requires service VCFRONT_a447 Usually the A/C compressor, heat pump, or a related thermal fault.
No cooling or weak A/C VCFRONT_a161_compressorSelfFault An internal A/C compressor fault or short. Common on Model 3, Y, S, and X, especially heat-pump cars.
No cabin heat, only cold air VCRIGHT_a262_PTCFaulted A failed PTC heater. Common on pre-heat-pump Model 3 and Y.
Heater communication or power fault VCFRONT_a102_PTC_MIA, VCRIGHT_a345 A communication or power (eFuse) issue with the PTC heater.

Some symptoms have a simple cause, like a weak 12V battery. We diagnose first so you only pay for what you actually need. When a part does need replacing, we have tested ones in stock and install them here.