2001 Dodge Ram 3500 Cummins DTC Codes

[oldcman]

Hello fellows I need Help

My 2001 Dodge Ram 3500 Cummins DWD 4x4 Auto Trans Has DTC Codes P1693 ( 2 Key test) 950, 999 on Dash check and scan tool

Have Check Eng , ABS ,Airbag Indicators On, Have No Speedometer, No AC , No Blower , No power Windows
Factory EVII Security not arming fast blink on valet button

Have Delay on starting have to hold key then engine starts , runs ok except trans shifting funny and unlocking

Other forum s indicated Loss of Main Buss done so I pulled all connector checks bulkhead mains etc

Have No 12V at fuse block for blower nor windows

I have cleared codes with Scan tool , Hard reset by removing batteries )off for hours no help

This issue happen a few month ago and cleared it self after Hard reset by removing batteries

Any help would be most appreciated

Oldcman

 

[oldcman]

Update Re checked with scan tool one stored code P0500 Vehicle Speed Sensor

Still have 950, 999 on Dash check

Still had No 12V (1.9v ?) at fuse 2 for Blower relay


Jumped 12V to Fuse 2 blower came on ,all Check Eng , ABS ,Airbag Indicators cleared widows work

All normal ? Did not drive to check speedo This PDC section also powers ABS & windows see schematic



Checking PDC for bad connections or Ignition Switch

Any suggestions would be appreciated Brighton was a big help calling attention to PDC

Thanks oldcman

 

[oldcman]

Update

Installed new MOPAR ignition Switch today , Started great , all 900 Codes cleared, Check Eng , ABS ,Airbag Indicators cleared

AC , windows Ok now, speedometer Ok 12V returned to Buss on Fuses 2,3 ,7 10 and CB in the PD on Left side of Dash

Attached wiring diagram but my not have uploaded

Will update my vehicle details as soon as I can navigate this site better

Thanks Hope all stays well

OLDCMAN

 

[Gr8bawana]

Glad to hear you're making progress.

 

[oldcman]

Thanks keeping my fingers crossed all’s well so far