Hi

Vauxhall Zafira 2016 2.0 litre diesel

Orange engine warning light came on a few weeks ago, ODB scanner came back with adblue sensor error:

Reductant Level Sensor Invalid Range - Engine Control Moule (ECM). DTC Code P1050

Took it to a garage in Clydebank area, all they did was add some adblue to tank (which it didn't need) and cleared the error code. A week later it came back.

I can clear it, but it comes back next time car is started.

I read this could be due to wring / corrosion issues, so took it to garage specialising in car electrics. He took one look at the above error, said it was unlikely to be wiring, said he'd never seen that error on a Zafira before, and advised me to look into the costs of replacing the whole adblue pump/tank assembly.

I'm hoping I don't need to pay to replace the whole brand new adblue assembly because it looks eye-wateringly expensive - Arnold Clark Vauxhall in Garscube Road quoted £3500 for new adblue tank, pump and control unit. That is insanely expensive.

There's plenty of adblue in the tank and im getting no other errors.

The above error, based on what I have learned, concerns the adblue level sensor, which, along with the adblue temperature sensor, is built into the adblue tank. In other words, those two sensors are NOT sold separately.

I've bought a used adblue tank assembly, going into garage this coming week, can only hope everything functioning in this assembly. 

Cheers 

J

 

 

Yep, sounds like the level sensor as the adblue chrystalises over time and this usually affects the system

Please let us know how you get on with it

Will do.

I tried Wynnes adblue cleaner, but it hasn't helped with this particular issue - though I'd hope it helps reduce crystallisation in general.

Its worth pursuing with treatments on a regular basis as some seem to work really well.
Wynns is a good make and there are others available that I would trust (STP, Redex, etc) which may be worth trying to see if any difference