No communication no crank

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Jun 13, 2024 | 05:08 PM

#1 (permalink)

Sheffer

Thread Starter

Joined: Apr 2024

Posts: 1

Likes: 0

From: Henderson Kentucky

No communication no crank

2004 6spd no crank won't scan cranks when I put 12v to frame terminal at pulse module
I had the 3 solder contacts done professionally @RCM no help kinda lost really need some info if someone could help? TIA

Jun 13, 2024 | 05:48 PM

#2 (permalink)

ZERACER

Senior Member

Joined: Nov 2006

Posts: 6,634

Likes: 776

From: Orange County CA.

Re: No communication no crank

Were the relays checked?

Jun 13, 2024 | 07:39 PM

#3 (permalink)

red_2005_convertible

Joined: Apr 2012

Posts: 234

Likes: 106

From: Escondido, Ca

Re: No communication no crank

Does the dash light up when you turn the key to On?
-Jerry

Jun 14, 2024 | 06:41 PM

#4 (permalink)

tighed1

Senior Member

Joined: Aug 2008

Posts: 5,741

Likes: 98

From: Sierra Vista, Arizona

Re: No communication no crank

Quote:

Originally Posted by Sheffer

Turn the key to the ON position and wait 20+ seconds. Does the radiator fan spin up REALLY fast?
See picture and check. Both relays closed?
If a relay in the RCM is bad, playing with the "3 solder contacts" won't do jack.