ADDITIVE TANK REPLACE

[JOE+TECH]

2017 3008 Fault codes P1434 &P1435 additive system
Tried filling tank still faults present bleed system and prime still faults
New tank and pump fitted, What is the procedure for now programming the tank / pump
To system with Peugeot partner tool
Thanks Joe

[GiveMeABreak]

If you have fault code(s) P1434, P1435 in the engine management ECU and fault code FEB4 in the fuel additive ECU, then the info below is applicable:

Origin of Issue: Fuel additive supply pipe or fuel tank.

Action:

• Repair of the fuel additive supply pipe (Depending on the result of the check below).
• Replacement of the fuel additive supply pipe (Depending on the result of the check below).
• Replacement of the fuel tank (Depending on the result of the check below).

Parts required
1 Additive supply pipe (Part No. depending on vehicle specification) (if necessary).
1 Fuel tank (Part No. depending on vehicle specification) (if necessary).

Read the fault codes:

With fault code(s) P1434, P1435 in the engine management ECU and fault code FEB4 in the fuel additive ECU: This info is applicable
If fault code FEB4 is absent: Do not apply this document

N.B.: The fault codes may be accompanied by other fault codes

Checks

ESSENTIAL: Clear the fault codes in the fuel additive ECU before starting the checks

Check 1
Check the condition and connections of the fuel additive pipe:

• If the fuel additive supply pipe is connected incorrectly with no damage (Coupe , Holed , Kinked ): Carry out repair 1
• If the fuel additive supply pipe is damaged (Coupe , Holed , Kinked ): Carry out repair 2
• If there are no anomalies: Carry out check 2

Check 2
Check the opening pressure of the valve in the fuel tank:

• If the opening pressure of the diesel injector is lower than 100 mbar: Carry out repair 3
• If the opening pressure of the diesel injector is higher than 100 mbar: Do not apply this document

Repair

N.B.: Always carry out the 'additional operation' after the repair

Repair 1
Reconnect the fuel additive supply pipe.
Repair 2
Replace the fuel additive supply pipe.
Repair 3
Replace the fuel tank.

Additional operation
Prime the circuit of the fuel additive pump using the diagnostic tool (Repair ? Repair pack ? Service action ? Draining - filling - bleeding ? Priming of the additive adding circuit.

N.B. : Follow the entire process . Leave the "ignition positive" until the fuel additive pump stops by itself (Priming in progress )

[JOE+TECH]

Thanks for your help ,checked the pipe from additive pump as far as I could see with out dropping fuel tank.I presume the injector is located
on the top of the tank where pipe goes to all looks good
Did full scan for faults, 2 faults in eng= B2EBO additive tank In additive ecu =B2EB0 additive tank also in bsi B1811 =Add pump
Fitted new tank & pump same faults presentf
Filled new tank before fitting 1,6 litres did the programming filling,bleeding, in engine ecu also in additive ecu all fault lights off
engine running approx 2-3 minutes then spanner +engine light on engine malfunction on display with these faults present
1 can you disconnect pipe from pump put into bleed mode and see if pump is pushing out fluid?
2 What are the 3 wires on pump plug should I have 12v on 1 earth , can signal? Dose the wires come from eng ecu?
3 If there is fluid being pumped can I test pressure with gauge=?
Checked old pump removed, it is a solenoid pump .it pulses if 12v is put on off at pump wires I think your are right pump ok

[JOE+TECH]

After changing the additive tank 2017 3008 cant get it programmed left with the 2 codes p1434 & p1435
Using diag version 9.68 tried with top don also no success
correct, me if I am wrong I have been told 2017 or newer has to be coded on line peugeot tool
Awaiting your reply Thanks Joe

[GiveMeABreak]

Are you getting the specific fault FEB4 along with the other 2 codes?

It's not coding as such it's configuring. As this is a replacement part, the priming and additive ECU reset is a maintenance operation not a configuration requirement (which does require online access).

Where did you go (what steps / menus) to attempt the operation?

[JOE+TECH]

Thanks for your input Marc
I have fitted add pumps on older berlingo etc no problem, filled empty tanks reset the system with Diag tool
On this system 2017 on going through the sequence,following instruction on tool for replace additive tank $ pump + filling
I can confirm the pump does not start up when it comes to priming/filling pipes after 10mins press ok it says ok complete
Start engine all fault lights out after approx 20 secs engine malfunction appears on dash checking fault codes
2 in engine B2EBO
1 IN BSI B1811
I have tested the 3 pin connector at pump No 1= blue wire 14v eng running No 2 red wire =10v eng running,No 3 green .1volt (earth) ok
Is the additive ecu in the engine ecu 2017 does it turn on the pump ? What input has the bsi
A wiring diagram would be nice of this new system
I think the electric part attached to pump is pump module?
I would like to resolve this as there seems a lot of other people with same issue
Thanks Joe

[GiveMeABreak]

It depends on the system fitted. Some are multiplexed pumps, some are not.

They are all controlled by the engine ECU, but that won't help if the multiplexed pump isn't communicating.

I don't have the VIN for this vehicle so can't advise further.