WJ Blend Doors/Heater Codes

[OceanWanderer]

Hello,

So last night I randomly stumbled across a YouTube video describing a no heat situation with the internal heater. I have a similar problem in that my heater only seems to heat on high and even then not very well.

The video seems to suggests that this is a common problem with the Jeep GC as the plastic hinges on the blend doors break. The video also shows a trick whereby you hold in the A/C and recirculation buttons and using the LEFT temperature control knob you can access some type of code...

Does anybody know what the numbers represent/have a definition? Mine cycle from 53 through 56 - at first I thought it was the heat output in Fahrenheit however I am not so sure as the video suggest that they are error codes

Cheers

David

[mfour]

OW have you had a look at this site ? Tell you all you need to know about the problem.

[OceanWanderer]

Thanks mfour!

It was their video I was watching last night.... the website has far more information - error codes below.

Have you fixed your blend doors?


Input faults

01 = IR thermister circuit open
02 = IR thermister circuit shorted
03 = Fan pot shorted
04 = Fan pot open
05 = Mode pot shorted
06 = Mode pot open
07 = IR sensor delta too large
08 = Reserved
09 = Reserved
10 = One of four motor drivers has drive "A" shorted to ground
11 = Engine air intake temperature bus message missing
12 = Country code bus message missing

System faults

13 = Mode motor not responding
14 = AI (Recirc) motor not responding
15 = Left temperature door not responding
16 = Right temperature door not responding
17 = Mode door travel range too small
18 = Mode door travel range too large
19 = AI (Recirc) door travel too small
20 = AI (Recirc) door travel too large
21 = Left temperature door travel too small
22 = Left temperature door travel too large (Result is no heat - Our kit repairs this)
23 = Right temperature door travel too small
24 = Right temperature door travel too large (Result is no heat - Our kit repairs this)
25 = Calibration check sum error
26 = Engine coolant temp bus message missing
27 = Vehicle speed bus message missing
28 = Engine RPM bus message missing
29 = OAT bus message missing
30 = Display intensity bus message missing
31 = VIN number bus message missing
32 = Raw OAT buss message missing

Input faults

33 = IR thermister circuit was open
34 = IR thermister circuit was shorted
35 = Fan pot was shorted
36 = Fan pot was open
37 = Mode pot was shorted
38 = Mode pot was open
39 = IR sensor delta was too large
40 = Reserved
41 = Reserved
42 = One of four motor drivers had drive 9A9 shorted to ground
43 = Engine air intake temperature bus message missing
44 = Country code buss message missing

System faults

45 = Mode motor was not responding
46 = AI (Recirc) motor was not responding
47 = Left temperature door was not responding
48 = Right temperature door was not responding
49 = Mode door travel range too small
50 = Mode door travel range too large
51 = AI (Recirc) door travel range too small
52 = AI (Recirc) door travel range too large
53 = Left temperature door travel too small
54 = Left temperature door travel too large (Result is no heat - Our kit repairs this)
55 = Right temperature door travel too small
56 = Right temperature door travel too large (Result is no heat - Our kit repairs this)
57 = Calibration check sum error
58 = Engine coolant temp bus message missing
59 = Vehicle speed bus message missing
60 = Engine RPM bus message missing
61 = OAT bus message missing
62 = Display intensity bus message missing
63 = VIN number bus message missing
64 = Raw OAT bus message was missing
65 = Reserved
66 = Reserved
67 = Reserved

Sourced from http://www.jgcparts.com/faultcodes.html I will be buying this kit shortly....

David

[mfour]

No prob OW. Nope I got clever and got a Laredo, which does not suffer the same problem as it only has one blend door, not two

[HennieZJ]

OW, David, I have that problem too and it's freaking cold in Cape Town this year!!!! If you plan to attempt this operation let me know what the solution / outcome is please!!!

[Bulli]

Yip, laredo is the way to go... Haha.

[allan.cawood]

I too am watching this thread closely ... I have a No heat but also no aircon (that's cause there is no gas in it Allan ... tut tut)

[Fillistyn]

Brilliant found OceanWanderer

[OceanWanderer]

Hello All,

Quick update for everybody, I sent an email to the States this morning asking for a total price on:
Jeep Badges: $9.95 (two Jeep badges)
Blender Flaps: $150
Door panel clips: $9.95

If I get no response or one that I don like (in terms of postage cost) I am going to get a premium subscription on myus.com and take it from there....

I will let you know when I get a response.

David

[Fillistyn]

$89 for a Full 2" lift kit. Not bad at all.

[cainslie]

$89 for a Full 2" lift kit. Not bad at all.

From where?

[Fillistyn]

From where?

http://www.jgcparts.com/faultcodes.html

[allan.cawood]

you mean this one ... http://www.jgcparts.com/LiftKit2.html

[allan.cawood]

give this a listen ... very good

[Fillistyn]

Ebay

Aluminium Blend doors for sale.

http://www.ebay.co.uk/itm/JEEP-WG-WJ...item5d34bb18c3

[HennieZJ]

I'm in for a set. Who can bring them in for us?

[allan.cawood]

I ordered door panels clips from jgcparts.com today. Paid for them. They are already shipped and on their way. I am sure one of use can order 5 or 10 sets of the door blenders and bring them in with one shipment. JGCPARTS offer free shipping world wide.

i want to see what happens with the small parts before moving onto the larger parts ... value I mean

[OceanWanderer]

Allan,

Please keep me updated on what happens, I have had zero feedback from the email address.

David

[allan.cawood]

Will do.

I got a reply to say my goods have been shipped. Shipped the same day I paid for them. I'm impressed so far.

[OceanWanderer]

Allan

Have your door clips arrived?

Cheers

David