VW Crafter limp mode

[deryck13]

Hi there. My name is Deryck and I'm new on this forum.yay. I'm a proudly owner of a 2012 Crafter, but in the last few weeks on the dash i get two flashing lights: emission control lamp and engine management lamp. I used a cheap chinese obd scanner and I got P261A and P2BAC (this one cannot be deleted). I asked a mechanic and he told me it is the secondary coolant pump (he used his diagnostic tool to tell me that), changed it, problem persists. As I was sayn in the title the van is going into limp mode, no power.

Any ideas on what it could be? Thank you very much and have a great holiday period.

 

[Crasher]

You need a proper code read doing to give us some VAG specific codes.

 

[terrygbohan19]

did you ever sort this problem mate as i have the same problem with my 2014 heap of *****

 

[CAPTAINF]

Have you had the timing belt kit replaced ?

 

[Keithuk]

I'm new on this forum.

First posts normally go in introductions else you could get a free fix and we never see you again!!!

Your car spec says 0, only what I've added from this post minus engine type/size.

VAG Error Code: 18062/4875/9867/009754
EOBD II Error Code: P261A

Fault Location:
Engine Coolant Pump 2 - Open Circuit

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.

Wiring/Connector(s).
Engine coolant pump.
Engine Control Module (ECM).

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).


EOBD II Error Code: P2BAC

Fault Location:
Nitrogen Oxides (NOx), Limit Exceeded - Exhaust Gas Recirculation (EGR) Deactivated

Possible Cause:
Wiring/Connector(s).
Nitrogen oxides (NOx) sensor 1 (G295).
Exhaust Gas Recirculation (EGR) valve/Exhaust Gas Recirculation (EGR) valve actuator.
Engine Control Module (ECM).

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).

As taken from my new EOBD II Fault Codes Software

 

[damug]

Halo + welcome.

I mean you have a electrical water pump for EGR cooling. This pump don´t works (1st fault) so the EGR (2nd) fault is deactivated...

 

[colincourier]

i had a prob with coolant pump b open circuit, i replaced the pump on matrix at top of bulkhead and the other on side of radiator. one code comes on for the coolant and the other is because the open circuit came on 1st. it sorted my problem.

 

[damug]

i had a prob with coolant pump b open circuit, i replaced the pump on matrix at top of bulkhead and the other on side of radiator. one code comes on for the coolant and the other is because the open circuit came on 1st. it sorted my problem.

Well, that's fine.
The Thread is for limp mod. You had a coolant problem, i mean this is a slightly other thematic.
But thanks for you´r solution. Please add the fault codes witch you had.
This will help other people to find your solution.

 

[colincourier]

Well, that's fine.
The Thread is for limp mod. You had a coolant problem, i mean this is a slightly other thematic.
But thanks for you´r solution. Please add the fault codes witch you had.
This will help other people to find your solution.

the problem put it in limp mode.i turn off and then turned on again till engine was warm then it resolved limp mode.but on 1st startup it would fail.will this hepl you.

 

[damug]

THX, my fault. Yes, its possible this error takes car into limp mode. But your error codes would make the thread more interesting.

Did you get some error like this? :

18333 479D P1925 Relais Coolant pump B-J496 Kurzschluss nach Plus
18334 479E P1926 Relais Coolant pump B-J496 Kurzschluss nach Masse
18335 479F P1927 Relais Coolant pump B-J496 Unterbrechung

 

[Keithuk]

Its a pity you don't have a English VCDS as you speak good English.

VAG Error Code: 18333/006437
EOBD II Error Code: P1925

Fault Location:
Relay for Auxiliary Engine Coolant Pump (J496) - Short Circuit to Positive

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.

Wiring/Connector(s) short to positive.

Possible Solutions:
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).


VAG Error Code: 18334/006438
EOBD II Error Code: P1926

Fault Location:
Relay for Auxiliary Engine Coolant Pump (J496) - Short Circuit to Earth

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.

Fuse(s).
Wiring/Connector(s) short to earth.

Possible Solutions:
Check/Replace Fuse(s).
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).


VAG Error Code: 18335/006439
EOBD II Error Code: P1927

Fault Location:
Relay for Auxiliary Engine Coolant Pump (J496) - Open Circuit

Possible Cause:
Malfunction Indicator Lamp (MIL)(K83) active.

Fuse(s).
Wiring/Connector(s).

Possible Solutions:
Check/Replace Fuse(s).
Check/Replace all faulty Wiring/Connector(s).
Read Measuring Value Blocks (MVB).

As taken from my new EOBD II Fault Codes Software

 

[anthonyjacobson1]

is there a sensor for these pumps, i have same issues, changed both pumps, still same problem

 

[Crasher]

The ECU can detect a problem with the pump(s), what fault codes are you getting?

 

[anthonyjacobson1]

P261A coolant pump b. its on 15 plate crafter cktb. changed both pumps, still same issue, is there a sensor for these pumps?

 

[CAPTAINF]

P261A coolant pump b. its on 15 plate crafter cktb. changed both pumps, still same issue, is there a sensor for these pumps?

Did you fit a genuine VW part no. 059121012A ? (the Crafter doesn't seem to like most aftermarket versions of these)
Is the wiring ok?

 

[Crasher]

A lot of VAG engine ECU's seem to object to aftermarket pumps.

 

[anthonyjacobson1]

both doner pumps came off a running crafter for testing purposes, plus changed section of loom, still same issue??!!, pumps work on other van no issues, which what makes me think it a sensor...but which sensor runs the pumps, cant find any info on it

 

[CAPTAINF]

both doner pumps came off a running crafter for testing purposes, plus changed section of loom, still same issue??!!, pumps work on other van no issues, which what makes me think it a sensor...but which sensor runs the pumps, cant find any info on it

Did you manage to clear the P261A error code after replacing the pump?
I don't know whether there is a sensor, maybe a phone call to VW or TPS.

 

[anthonyjacobson1]

the fault will only clear when warmed up??!!

 

[Faller 15k]

the fault will only clear when warmed up??!!

I Have the P261A fault code and all the same symptoms as you, i also have P2BAC...... pulling my hair out did you get a conclusion ?? The van is 2012 Crafter mwb 2.0 tdi 109bhp.