Implausible steering angle

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A

Aff3710

Junior Member
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Apr 7, 2026
Posts
24
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Location
Dallas
Ram Year
2013
Engine
5.7
I have ABS codes for steering angle > normal and when i scan it with alphaobd it reads 5103.5 and does not change with turning the steering wheel. I have a 2013 ram 1500 tradesman. I figured for sure it has to be an issue with the clock spring so i got a new one and it reads the same. So now im thinking it has to be a wiring issue. So i went through my wiring diagrams
C1-connects to turn signal
1-ground-good
2-hot all the time 12.5V
3-lin bus continuity with C2 and C3
4- hot while run 12.2V on run
C2
1-ground-good
2-lin bus communicates with C1/C3
3-hot all the time 12.5v
4-connects to C3 0.2ohms resistance
5-connects to C3 0.2ohms resistance
6- connects to C3 0.2ohm resistance
C3
1-hot all the time 12.5V
2-lin bus continuity with C1/C2
3-Can C continuity at star bus
4-Can C continuity at star bus
5-Hot while run 12.2V
6-Connects to C2
7-Connects to C2
8-Connects to C2
9-Ground-good
C4
1-airbag
2-airbag
3-airbag
4-airbag
C5-heated steering wheel not used
C6-steering wheel buttons control
C7- airbag
Everything checks out. Any ideas?
 

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Last edited:
Fast69Mopar

Fast69Mopar

Senior Member
Joined
May 10, 2019
Posts
2,503
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Location
Texas
Ram Year
2006
Engine
5.7 HEMI
Aff3710 said:
I have ABS codes for steering angle > normal and when i scan it with alphaobd it reads 5103.5 and does not change with turning the steering wheel. I have a 2013 ram 1500 tradesman. I figured for sure it has to be an issue with the clock spring so i got a new one and it reads the same. So now im thinking it has to be a wiring issue. So i went through my wiring diagrams
C1-connects to turn signal
1-ground-good
2-hot all the time 12.5V
3-lin bus continuity with C2 and C3
4- hot while run 12.2V on run
C2
1-ground-good
2-lin bus communicates with C1/C3
3-hot all the time 12.5v
4-connects to C3 0.2ohms resistance
5-connects to C3 0.2ohms resistance
6- connects to C3 0.2ohm resistance
C3
1-hot all the time 12.5V
2-lin bus continuity with C1/C2
3-Can C continuity at star bus
4-Can C continuity at star bus
5-Hot while run 12.2V
6-Connects to C2
7-Connects to C2
8-Connects to C2
9-Ground-good
C4
1-airbag
2-airbag
3-airbag
4-airbag
C5-heated steering wheel not used
C6-steering wheel buttons control
C7- airbag
Everything checks out. Any ideas?
Click to expand...
Did you perform the steering angle sensor reset with Alfa or JScan?

What is the steering angle in degrees on level ground with the steering wheel straight?

Have you recently repaired or replaced the EPS or Electronic Power Steering?
 
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OP
A

Aff3710

Junior Member
Joined
Apr 7, 2026
Posts
24
Reaction score
9
Location
Dallas
Ram Year
2013
Engine
5.7
Fast69Mopar said:
Did you perform the steering angle sensor reset with Alfa or JScan?

What is the steering angle in degrees on level ground with the steering wheel straight?

Have you recently repaired or replaced the EPS or Electronic Power Steering?
Click to expand...
There is no steering angle reset in alpha, just a steering pull reset. I decided the problem was alphaobd software not reading the angle correctly since all signals checked out correctly
 
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OP
A

Aff3710

Junior Member
Joined
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Posts
24
Reaction score
9
Location
Dallas
Ram Year
2013
Engine
5.7
04fxdwgi said:
I would send Alexi a note indicating what you found and if he could come up with a resolution.

Let us now the outcome....
Click to expand...
I dont know who Alexi is, im new to the Ram game and you guys are the first people to even attempt to help me with a problem i was having on this forum
 
Fast69Mopar

Fast69Mopar

Senior Member
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Posts
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Location
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Ram Year
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Engine
5.7 HEMI
Aff3710 said:
I dont know who Alexi is, im new to the Ram game and you guys are the first people to even attempt to help me with a problem i was having on this forum
Click to expand...
Alexi is the developer of Alfa. Send him a message through the proper contact channels and let him know about the issue that you are facing. He may already have a solution to the problem.
 
OP
OP
A

Aff3710

Junior Member
Joined
Apr 7, 2026
Posts
24
Reaction score
9
Location
Dallas
Ram Year
2013
Engine
5.7
Fast69Mopar said:
Alexi is the developer of Alfa. Send him a message through the proper contact channels and let him know about the issue that you are facing. He may already have a solution to the problem.
Click to expand...
Thanks! Ive had multiple issues with alpha and i honestly didnt think about complaining or asking for a fix. Ill email through the website
 
Fast69Mopar

Fast69Mopar

Senior Member
Joined
May 10, 2019
Posts
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Reaction score
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Location
Texas
Ram Year
2006
Engine
5.7 HEMI
Aff3710 said:
Thanks! Ive had multiple issues with alpha and i honestly didnt think about complaining or asking for a fix. Ill email through the website
Click to expand...
It's definitely worth a shot. He may have a fix available or he might have a software patch built in to an older version or something like that. It never hurts to ask.
 
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