M156 Timing fault codes P0024 P0021
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Newbie
Joined: Sep 2022
Posts: 2
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Mercedes S204 C63
M156 Timing fault codes P0024 P0021
Hello iam new to this forum and i try my luck here
I have an w204/s204c63m156 2008
So Everything started with a broken Headbolt , from the start i change bolts and gasket by my self, bought a timing tool set and everything seems to be working well..
until i got Timing problems due that i had the cam gear right
I leaved the car to a workshop , they change camchain, cam straining , cam solenoids, cam sensor
The shop told me and show me that the timing was set Perfect
But still we could not solve the faultcodes
P0024 Exhaust (B) camshaft position timing-over Advanced (bank 2)
P0021 intake (A) camshaft position timing-over Advanced (bank 2)
I also get one more code like P0040 Oxygen sensor signals swapped Bank 1 sensor 1/ bank 2 sensor 1
but this code is not corresponding to the CEL, its like saved but not the primary in xentry/Das
the car rund god and have a nice idle, when driving around for maybe 5/10 min the CEL on the dash lights up
Sometimes i got missfire codes for cylinder 5,6,7,8
i think its corresponding due the timing fault
is it the Right bank if i sit in the car driving on the left side ?
Otherwise the car has no bigger modifications , just the secondary cats off
i tried to put the original tune in the car but still the same fault
i also tried do the cam adaptation in xentry/das, still the same
I heard somebody talks about the diverter valve ,also called ¨egr¨ could it be hath fault
if somebody have some experience iam glad for all the tips i can get, the car had being staying for one year..
Thanks!
I have an w204/s204c63m156 2008
So Everything started with a broken Headbolt , from the start i change bolts and gasket by my self, bought a timing tool set and everything seems to be working well..
until i got Timing problems due that i had the cam gear right
I leaved the car to a workshop , they change camchain, cam straining , cam solenoids, cam sensor
The shop told me and show me that the timing was set Perfect
But still we could not solve the faultcodes
P0024 Exhaust (B) camshaft position timing-over Advanced (bank 2)
P0021 intake (A) camshaft position timing-over Advanced (bank 2)
I also get one more code like P0040 Oxygen sensor signals swapped Bank 1 sensor 1/ bank 2 sensor 1
but this code is not corresponding to the CEL, its like saved but not the primary in xentry/Das
the car rund god and have a nice idle, when driving around for maybe 5/10 min the CEL on the dash lights up
Sometimes i got missfire codes for cylinder 5,6,7,8
i think its corresponding due the timing fault
is it the Right bank if i sit in the car driving on the left side ?
Otherwise the car has no bigger modifications , just the secondary cats off
i tried to put the original tune in the car but still the same fault
i also tried do the cam adaptation in xentry/das, still the same
I heard somebody talks about the diverter valve ,also called ¨egr¨ could it be hath fault
if somebody have some experience iam glad for all the tips i can get, the car had being staying for one year..
Thanks!
Newbie
Joined: Jul 2023
Posts: 12
Likes: 0
C63
Hello iam new to this forum and i try my luck here
I have an w204/s204c63m156 2008
So Everything started with a broken Headbolt , from the start i change bolts and gasket by my self, bought a timing tool set and everything seems to be working well..
until i got Timing problems due that i had the cam gear right
I leaved the car to a workshop , they change camchain, cam straining , cam solenoids, cam sensor
The shop told me and show me that the timing was set Perfect
But still we could not solve the faultcodes
P0024 Exhaust (B) camshaft position timing-over Advanced (bank 2)
P0021 intake (A) camshaft position timing-over Advanced (bank 2)
I also get one more code like P0040 Oxygen sensor signals swapped Bank 1 sensor 1/ bank 2 sensor 1
but this code is not corresponding to the CEL, its like saved but not the primary in xentry/Das
the car rund god and have a nice idle, when driving around for maybe 5/10 min the CEL on the dash lights up
Sometimes i got missfire codes for cylinder 5,6,7,8
i think its corresponding due the timing fault
is it the Right bank if i sit in the car driving on the left side ?
Otherwise the car has no bigger modifications , just the secondary cats off
i tried to put the original tune in the car but still the same fault
i also tried do the cam adaptation in xentry/das, still the same
I heard somebody talks about the diverter valve ,also called ¨egr¨ could it be hath fault
if somebody have some experience iam glad for all the tips i can get, the car had being staying for one year..
Thanks!
I have an w204/s204c63m156 2008
So Everything started with a broken Headbolt , from the start i change bolts and gasket by my self, bought a timing tool set and everything seems to be working well..
until i got Timing problems due that i had the cam gear right
I leaved the car to a workshop , they change camchain, cam straining , cam solenoids, cam sensor
The shop told me and show me that the timing was set Perfect
But still we could not solve the faultcodes
P0024 Exhaust (B) camshaft position timing-over Advanced (bank 2)
P0021 intake (A) camshaft position timing-over Advanced (bank 2)
I also get one more code like P0040 Oxygen sensor signals swapped Bank 1 sensor 1/ bank 2 sensor 1
but this code is not corresponding to the CEL, its like saved but not the primary in xentry/Das
the car rund god and have a nice idle, when driving around for maybe 5/10 min the CEL on the dash lights up
Sometimes i got missfire codes for cylinder 5,6,7,8
i think its corresponding due the timing fault
is it the Right bank if i sit in the car driving on the left side ?
Otherwise the car has no bigger modifications , just the secondary cats off
i tried to put the original tune in the car but still the same fault
i also tried do the cam adaptation in xentry/das, still the same
I heard somebody talks about the diverter valve ,also called ¨egr¨ could it be hath fault
if somebody have some experience iam glad for all the tips i can get, the car had being staying for one year..
Thanks!
what ended up being the cause of the p0024 code? Just did head bolts & new adjusters in mine and got this code now!
Newbie
Joined: Jul 2023
Posts: 12
Likes: 0
C63
Try completely disconnecting the battery and let it sit overnight! I was able to get rid of the code with just that. It was just confused. However, if that doesn’t work then you need a relearn procedure done! I got lucky & the battery disconnect worked for me though.
