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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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Voltage supply issuesViews : 1096 Replies : 17Users Viewing This Thread : |
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Dec 10th, 2017, 17:18 | #1 |
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Voltage supply issues
Hi everyone,
It was the first day of snow here in Belgium and apparently my c30 2.0d does not like it one bit. While driving my radio stops working all the time and restarts. Sometimes works for 5 minutes sometimes for 10seconds. About 10 times in a trip of 1,5hours, a couple of lights in the dashboard light up for about half a second. I looks like anti-skid service is required is also on the dashboard then. This message also disappears within half a second. One of those times I felt a big "bump" in the engine (definatly not the road;-)). So I got home, hooked up vida and got following errors (see attached image for extra info) BCM-0058 Bcm-0118 CEM-8F24 ADM-E010 ECM-2135 CEM-DF11 PAM-E010 Battery was replaced very recently. Anyone any ideas? :-) |
Dec 10th, 2017, 17:31 | #2 | |
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Dec 10th, 2017, 18:37 | #3 |
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Just did, voltage was 14.57V
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Dec 10th, 2017, 18:44 | #4 |
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Perhaps it intermittently goes high as several of those codes indicate high voltage
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Dec 10th, 2017, 19:11 | #5 |
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It does look like that indeed.. I cleared the errors, started the engine and the errors stay out.. Will drive it tommorow and see what it does..
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Dec 11th, 2017, 19:48 | #6 |
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After 2 short drives of about 40km in total I had no issues with voltage.. I did get into limp mode a lot due too something with the accelerator pedal (ecm 2135) AP position sensor faulty signal. Always gone after restarting the engine.. Any ideas here?
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Dec 11th, 2017, 20:23 | #7 |
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yes , fit a new signal wire and terminals at each end between the pedal and CEM ...
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Dec 11th, 2017, 20:42 | #8 |
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Thanks for your reply! I just took a look at the pwm and analog signal and they both match perfectly.. Think I will first clean all connector pins to ecm with some sanding paper, heard that could solve some things as well..
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Dec 11th, 2017, 21:26 | #9 | |
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The ecm connectors are not an issue . It is the DIRECT connection between pedal and CEM
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Dec 11th, 2017, 22:26 | #10 | |
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And so according to you I should replace both analog and pwm signal cables? I can find in the connector to CEM two times a signal called "AP position sensor, check signal" one of those will vary between 0,15v and 4,85v which makes this the analog signal right? but the other one, Vida states will always be 0V.. Shouldn't there also be a pwm signal going to the CEM? What am I missing here? :-) Last edited by hansC30; Dec 11th, 2017 at 23:19. |
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