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Related Medium and Heavy Trucks Questions
I have an 2006 c15 and my jakes arent working. the code my
hi i have an 2006 c15 and my jakes arent working. the code my scanner pulls up is pid: 122 Active Retarter solenoid med/hi short circuit … read more
Bradey V
Bradey V
Certificate
My 2007 cat c15 engine brake not work! comes on computer 14
Hi, my 2007 cat c15 engine brake not work! Cod comes on computer 14 low/high retarded current low … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Catman c13 KCB engine removed the old engine that was bad (
catman c13 KCB engine removed the old engine that was bad ( hole in block) it was also a KCB. i bought truck at auction so it never ran since ive had it. purchased a good pull off also a KCB - KCB7913… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I am workn on a 2007 peterbilt 379 with a C-15 NXS. The
Hi my name is Ben.. I am workn on a 2007 peterbilt 379 with a C-15 NXS. The jakes do not work on the high setting. We have tried new engine harness, new spacer plate harness, new cab to engine harness… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Jake brakes wont work. 2003 pete 379 c15. Cat told me to
yes, cat told me to unplug the two wire connector to the micro switch and use a jumper wire to see if the jakes started working if they did then we would know the micro switch was bad well we did that an still no jakes … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
It is a 95 Peterbilt with a 3406e. The Jake brake is not
It is a 95 Peterbilt with a 3406e. The Jake brake is not working on low stage. We have ruled out switch. Wondering if there was a relay that worked the Jake … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
2009 cascadia 14L 60 series,both check engine lights on,2
2009 cascadia 14L 60 series,both amber check engine lights on,2 error codes 1:fail 09,SLD 269,ECU 128. 2:FAIL 14, SLD 147,ECU 128 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I was needing the wiring diagram for a 3406e 2ws model as i
I was needing the wiring diagram for a 3406e 2ws model as i am meeding to wore the cruise control, jake brakes and a,c straight to ecm. Wiring harness came out of truck Yc056687 and engine is 2WS23960… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a cat truck engine, serial 2WS. My make brake is only
I have a cat truck engine, serial 2WS. My make brake is only working on low. The flash code was 14, which is retarder sylonoid med and high open or short circuit. I removed the valve covers and did an… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a 60 series detroit with a misfire problem on
I have a 60 series detroit with a misfire problem on deceleration. Runs great on acceleration, but when we down shift it misfires and emits white smoke.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Having. A problem with jakes works on 1&2 position but I
Having. A problem with jakes works on 1&2 position but I feel no difference on the 3rd position and check engine light comes on and goes off very quickly Jakes cut in and out only on this 3rd position… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Mr. Cat Man I have a cat C13 KCB27925. Im gettting a code
Mr. Cat Man I have a cat C13 KCB27925. Im gettting a code 231-12. Can you give me any insight on troubleshooting this code?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Hi, I have a c-13 acert with 2 active codes. First one being
Hi, I have a c-13 acert with 2 active codes. First one being secondary engine speed loss of signal and low/high retarder current low. I also have 3 inactive code. First and second codes are the same a… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a Caterpillar C12 in a 02 Peterbilt. When engine brakes
I have a Caterpillar C12 in a 02 Peterbilt. When engine brakes are on med or high mode the check engine light comes on. Code reads " med/high engine retarder voltage high. Which jake solenoid should I… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
I have a 1996 W900L with an engine retarder brake problem.
I have a 1996 W900L with an engine retarder brake problem. This unit originally had a smart wheel, but the switches has worn out and the replacement wheel is no longer available. The unit has been con… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
01 peterbuilt looking for jake brake relays jake not working
01 peterbuilt looking for jake brake relays jake not working and have code for low/high retarder current high and med/high retarder current high… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
catman another question... c15 6nz the jakes are weak. I checked
catman another question... c15 6nz the jakes are weak. I checked all of the solenoids and the wires are hooked up. Just did the over ead .030" I think that its electrical. It will work great sometimes… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,250 satisfied customers
Hello I connected my scanner to my truck and it gave me the
Hello I connected my scanner to my truck and it gave me the error code 128_121_4 the scanner also showed on the screen (pid retarder status voltage below normal or shoted low)… read more
Jim
Jim
Diesel tech.
212 satisfied customers
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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