I have 05 Volvo with D12 465hp and autoshift.. Truck has rough engine work and no power
I get this MID 128 SID231 FM2 error code.
It says SAE J1939 data erratic.
Can anybody tell me what does it mean and how to fix it?
MID 128 SID 231 FM2 error code.. what does it mean and how to fix it??
Discussion in 'Volvo Forum' started by bravoo67, Jun 14, 2012.
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Pablo, which wiring I have to change?? all of them??
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J1939 data link issues are usually related with bad power supply of EECU, VECO ore TCU. what are fault codes in other control units?
free2fly973 and bravoo67 Thank this. -
I got one more in vehicle control unit - MID144 SID231 FM2
another code was with temperature sensor on first rear axle and
another about road speed inaccurate or something like that..
once got communication or data link with transmission error. I cleared them all so cant tell exactly what codes I got
I noticed that transmission is having problems with shifting from 1 to 2 gear and less often from 2 to 3 gear.. sometimes it tries to shift 3-4 times
will check for exact codes tomorrow -
when VECU reads wrong road speed engine ECU limits power
bravoo67 Thanks this. -
the only code I found today was MID140 PID77 FMI 5 ..
how can I fix road speed error? should I change speed sensor on the transmission? -
Desitruker and bravoo67 Thank this.
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Pablo can you help me ? I was trying to check some parameters on my volvo with vcads.. cant get in to crank and camshaft sensors.. vcads says system is busy try later.. power supply on both ecu and vecu shows little over 12v,
I did 1000 miles and got only one code: MID144 PSID200 FMI9 .. it showed once and is inactive but maybe that is the problem of my enormous fuel consumption which is 4.5 mpg locally.. is it bad wiring ..
where should I start to look??
thank you for any information -
cam sensor you can see in Values Monitoring as engine speed. Crank sensor is used for cyl. ballansing test
bravoo67 Thanks this.
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