Wiring issue P0882 code?

Tiny
JONATHAN5929
  • MEMBER
  • 2013 RAM 1500
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 229,000 MILES
I need the wire location and description for power to the pcm to solve a p0882 code
Saturday, September 6th, 2025 AT 12:03 AM

4 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 54,137 POSTS
So this is a TCM power issue. I would start by checking the fuse# 94 - 10 amp an fuse# 57 - 20 amp in the fuse panel under the hood.

P0882 - TCM Power Input Signal Low

Test for power at the fuses as well, this guide will help.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please go over this guide and get back to us.

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Saturday, September 6th, 2025 AT 4:48 PM
Tiny
JONATHAN5929
  • MEMBER
  • 3 POSTS
I am a veteran mechanic. I need to know where the voltage supply wire is located for the TCM
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Monday, September 8th, 2025 AT 8:19 AM
Tiny
JONATHAN5929
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All fuses and relays have been checked
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Monday, September 8th, 2025 AT 8:20 AM
Tiny
KEN L
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  • 54,137 POSTS
Okay, thanks for the clarification. Here are the wiring diagrams for the TCM which shows the power and ground wires to help confirm. Check out the images (below). Please let us know what happens.
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Monday, September 8th, 2025 AT 11:07 AM

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