Engine MIL on

2012 MERCEDES BENZ C180
90,000 MILES • 1.8L • 4 CYL • TURBO • 2WD • AUTOMATIC
Avatar
ASHUULU SIMEON
  • MEMBER
  • 2 POSTS
Outside temperature sensor already been replaced. Obd fault code P0073 still stored (ambient temperature sensor has a short circuit to battery). Could this be the wiring of connectors from the battery?
Jun 16, 2018 at 11:11 PM
Advertisement
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,562 POSTS
Yes, it sounds like you have an open connection between the sensor and the PCM. Here is a guide that will help you check the connections just check the wire color the sensor so you know which ones to test.

https://www.2carpros.com/articles/how-to-check-wiring

Please run down this guide and report back.

Cheers, Ken
Jun 18, 2018 at 5:24 AM
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Ask a new question

Frequently Asked Problems for This Vehicle