AdBlue problems

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jarkkii
New Member

Posts: 1

AdBlue problems Jun 17, 2021 5:04:12 GMT

Quote

Post by jarkkii on Jun 17, 2021 5:04:12 GMT

Following fault codes

Error codes:

P20C400 - Control of heating agents 3 Short circuit plus

static

U140C00 - Reducer dosing system controller Supply voltage too low

static

U140E00 - Reducer dosing system control unit Operating restriction due to undervoltage

random

P20BC00 - Control of reducing agents heating 1 Short circuit to plus

static

P208D00 - Control of reducing agents pump 1 Short circuit to plus

static

P214E00 - Reducer pump 1 Current too high

random

P20E800 - Reducing agent pressure too low

random

where should i start looking for the problem..? any ideas

adrian2b4u
New Member

Posts: 13

AdBlue problems Jun 25, 2021 15:34:41 GMT via mobile

Quote

Post by adrian2b4u on Jun 25, 2021 15:34:41 GMT

I suspect a bad connection ( wire plug) into the AdBlue pump in the back - and due to the fact that there is no power to the pump you get all the errors.
Car needs to be inspected at a car shop at the rear AB tank or the wire loom to be checked.

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