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View Full Version : 99 rt engine codes. help



AM*E*LL
06-07-2009, 08:53 PM
Hey guys I have a 99 rt with heads, cam, headers, injectors, rockers msd sct tune, injectors
And I've been getting some eng codes lately just wondering what they are and what causes it
And ever since my engine mods(done this winter) my guage cluster lights sometimes cut out. And the airbag light will come on and off
Just wondering if anyone can help me out I have sct so I can clear them but just nice to know what's causing it
Thanks again patrick
P1687
P0138
P0351

BTLFED R/T
06-07-2009, 10:17 PM
We have a complete list of all the codes in our FAQ section. Here's a link;

http://dakotart.com/forum/showthread.php?t=1777

hskr
06-07-2009, 10:18 PM
351 is from running ann aftermarket ignition. You probably have MSD, or Crane without the tach adappter hooked up.

138 is your pre-cat O2 sensor probably going bad.

P1687 No MIC BUS Message No CCD/J1850 messages received from the Mechanical
Instrument Cluster (MIC) module

Have you ever pulled your instrument cluster for anything, or done anything with wiring under the dash?? Might also check to make sure all of your grounds are good and tight, even the ones under the dash.

AM*E*LL
06-08-2009, 01:12 AM
ok thanks guys so
P0351 (M) Ignition Coil #1 Primary Circuit Peak Primary circuit current not achieved with maximum dwell time.

will it go away if i get a tack adaptor for my msd??

hskr
06-08-2009, 03:12 AM
You will probably have to reset the PCM to clear the code, but yes, with a tach adapter you will get rid of that code.

AM*E*LL
06-08-2009, 03:19 AM
Ok, any info on where I can get it? How is it to install?
And also since I got my tranny done(also during winter)
I have the parking brake and abs lights on my dash any clue what's up with that?
Thanks again I appreciate it alot

Fltlander
06-08-2009, 03:45 AM
Somebody will correct me if I'm wrong but I think this is what you need...Tach Adapter MSD 8910
http://store.summitracing.com/partdetail.asp?autofilter=1&part=MSD-8910&N=700+115&autoview=sku
Instructions how to install http://static.summitracing.com/global/images/instructions/msd-8910_frm28850.pdf

hskr
06-08-2009, 12:23 PM
Yep, that's the tach adapter you need.

As for the ABS/brake lights, I'd check to make sure the speed sensor in the tranny tail housing isn't bad.

Tobbe1
01-29-2011, 12:10 PM
bump
i now this is an old tread ,installed a msd 6 on my truck and now got a p0351
will the tach adapter fix this? msd 8910

hskr
01-29-2011, 07:00 PM
Yes the tach adapter will prevent the 0351 code as already covered in this thread.