Please help

[Ramtruck14]

Po371,po373,po375 codes. Is it trans related?

 

[p-Bar]

Need year of truck

 

[p-Bar]

P0371: TIMING REF HI-RES SIGNAL A TOO MANY PULSES

P0373: TIMING REF HI-RES SIGNAL A INTERM/ERRATIC PULSES

P0375: TIMING REF HI-RES SIGNAL B

 

[Ramtruck14]

2012 2500 4x4 trans was just replaced with used one. Not my truck.

 

[p-Bar]

What is the truck doing ?

 

[Ramtruck14]

Nothing, just throwing codes. Shifts runs fine..

 

[p-Bar]

Some weird codes . Write em down and clear the codes.

 

[Wayne M.]

Basic electrical protocol.
-Check all the grounds
-Inspect the harnesses for tampering and abrasions.
- How are the batteries?
I’ve had a bad battery cause havoc like this more than once.