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-   -   P0443 Problem, need some help (http://www.jeepgarage.org/f77/p0443-problem-need-some-help-13733.html)

akabigo 10-08-2010 09:42 AM

P0443 Problem, need some help
 
I have an 06 Grand Cherokee Overland Hemi with 57K on it and about 1000 miles after I bought it ( bought it with 51k ) , the CEL came on. P0443 comes on first, then a few days later P0441 comes on. All the hoses in the system look good. I have replaced the EVAP purge solenoid and I have 11v at the connector for it. I can't check the signal off the PCM because I can't find a schematic for the pin outs. Our AllData doesn't seem to have the correct diagrams. Any help is greatly appreciated. My last move is to run it the Dealer but I'd rather try fixing myself.

Thanks for any input

Orlando

magnumman426 10-09-2010 10:14 AM

Re: P0443 Problem, need some help
 
Hey Orlando! is this a 4.7 or 5.7 vehicle? I can get the pin outs for the pcm connectors as well as help you trace the problem. I'll need the last eight characters of the VIN.

MM

akabigo 10-14-2010 02:45 PM

Re: P0443 Problem, need some help
 
It's a 5.7 and here are the last 8 ----

6C348209

Thanks and sorry for the delay, I was on vacation

magnumman426 10-15-2010 09:43 PM

Re: P0443 Problem, need some help
 
PCM C1 Connector:

https://w05.dealerconnect.chrysler.c...S/818921f1.gif MODULE-POWERTRAIN CONTROL C1 - BLACK/BLACK 38 WAY

CAVCIRCUITFUNCTION1K98 16DB/YL (4.7L)COIL CONTROL NO. 81K98 16DB/BK (5.7L/SRT8)COIL CONTROL NO. 82--3K97 16BR (4.7L)COIL CONTROL NO. 73K97 16BR/LG (5.7L/SRT8)COIL CONTROL NO. 74K28 16BR/LB (EXCEPT 3.7L)INJECTOR CONTROL NO. 85K26 16BR/YL (EXCEPT 3.7L)INJECTOR CONTROL NO. 76--7--8--9Z816 16BKGROUND10--11F942 20PK/LGFUSED IGNITION SWITCH OUTPUT (RUN-START)12F1 18PK/WT (4.7L/5.7L)FUSED IGNITION SWITCH OUTPUT (RUN-START)13--14--15--16--17--18Z130 16BK/BRGROUND19--20G6 20VT/GYENGINE OIL PRESSURE SIGNAL21--22--23--24--25D118 20LG/WTSCI RECEIVE26D16 20WT/OR (EXCEPT 3.7L)SCI RECEIVE (TCM)27F856 20YL/PK5 VOLT SUPPLY28K452 18BR/LB (5.7L)MDS SOL CONTROL NO. 429A209 18RDFUSED B(+)30F26 18PK/ORIGNITION SWITCH OUTPUT (START)31K141 20DB/YLO2 1/2 SIGNAL32K902 20BR/DG (EXCEPT SRT8)O2 RETURN (UPSTREAM)32K904 20DB/DG (SRT8)O2 RETURN (DOWNSTREAM)33K243 20BRO2 2/2 SIGNAL34D65 20WT/LGCAN C BUS (+)35D64 20WT/LBCAN C BUS (-)36D223 20WT/VTSCI TRANSMIT37D15 20BR/WT (EXCEPT 3.7L)SCI TRANSMIT (TCM)38--

magnumman426 10-15-2010 09:44 PM

Re: P0443 Problem, need some help
 
C2 Connector

https://w05.dealerconnect.chrysler.c...S/818921f3.gif MODULE-POWERTRAIN CONTROL C2 - BLACK/ORANGE 38 WAY

CAVCIRCUITFUNCTION1K10 16DB/OR (GAS EXCEPT SRT8)COIL CONTROL NO. 62K16 16DB/YL (GAS EXCEPT SRT8)COIL CONTROL NO. 53K15 16DB (GAS EXCEPT SRT8)COIL CONTROL NO. 44K58 16BR/VTINJECTOR CONTROL NO. 65K38 16BR/ORINJECTOR CONTROL NO. 56K124 18DB/GY (5.7L/SRT8)ETC MOTOR (+)7K93 16DB/BR (3.7L/5.7L/SRT8)COIL CONTROL NO. 37K93 16DB (4.7L)COIL CONTROL NO. 38K35 20DB/VT (4.7L/5.7L)EGR SOL CONTROL9K85 16DB/TN (3.7L/5.7L/SRT8)COIL CONTROL NO. 29K85 16DB/YL (4.7L)COIL CONTROL NO. 210K86 16YL/DBCOIL CONTROL NO. 111K14 16BR/TNINJECTOR CONTROL NO. 412K13 16BR/LBINJECTOR CONTROL NO. 313K12 16BR/DBINJECTOR CONTROL NO. 214K11 16BR/YLINJECTOR CONTROL NO. 115K922 18BR/DB (5.7L/SRT8)TP SENSOR RETURN16K453 18BR/DG (5.7L)MDS SOL CONTROL NO. 617K199 18BR/VTO2 2/1 HEATER CONTROL18K99 20OR/TN (3.7L/5.7L/SRT8)O2 1/1 HEATER CONTROL18K99 20BR/TN (4.7L)O2 1/1 HEATER CONTROL19K125 16BR/DGGEN FIELD CONTROL20K2 16VT/ORECT SIGNAL21K22 18BR/ORTP NO. 1 SIGNAL22K34 20DB/LG (4.7L/5.7L)EGR SIGNAL23K1 20VT/BRMAP SIGNAL24K942 20BR/LGKNOCK SENSOR NO. 1 RETURN25K42 20DB/ORKNOCK SENSOR NO. 1 SIGNAL26--27K900 20DB/DGSENSOR GROUND28K961 20BR/GY (3.7L)IAC SIGNAL28K961 20BR/VT (4.7L)IAC SIGNAL28K122 18BR/DG (5.7L/SRT8)TP NO. 2 SIGNAL29F855 20PK/YL5 VOLT SUPPLY30K21 20BR/WTIAT SIGNAL31K41 20DB/LBO2 1/1 SIGNAL32K904 20DB/WT (3.7L/5.7L)O2 RETURN (DOWNSTREAM)32K904 20DB/DG (4.7L)O2 RETURN (DOWNSTREAM)32K902 20BR/DG (SRT8)O2 RETURN (UPSTREAM)33K43 20DB/PKO2 2/1 SIGNAL34K44 20GY/DBCMP SIGNAL35K24 20BR (3.7L/5.7L)CKP SIGNAL35K24 20BR/LB (4.7L/SRT8)CKP SIGNAL36K242 20OR/WT (3.7L/5.7L)KNOCK SENSOR NO. 2 SIGNAL36K242 20BR/WT (4.7L/SRT8)KNOCK SENSOR NO. 2 SIGNAL37K924 20WT/BR (3.7L/5.7L/SRT8)KNOCK SENSOR NO. 2 RETURN37K924 20PK/RD (4.7L)KNOCK SENSOR NO. 2 RETURN38K61 16VT/GY (3.7L/4.7L)IAC CONTROL38K126 18DB/LG (5.7L/SRT8)ETC MOTOR (-)

magnumman426 10-15-2010 09:45 PM

Re: P0443 Problem, need some help
 
C3 connector:

https://w05.dealerconnect.chrysler.c...S/818921f5.gif MODULE-POWERTRAIN CONTROL C3 - BLACK/NATURAL 38 WAY

CAVCIRCUITFUNCTION1--2--3K342 20BR/WTASD RELAY CONTROL4--5V35 20VT/OR (3.7L/4.7L)S/C VENT SOL CONTROL5K454 18BR/OR (5.7L)MDS SOL CONTROL NO. 76K451 18BR/WT (5.7L)MDS SOL CONTROL NO. 17V32 20VT/YL (3.7L/4.7L)S/C SUPPLY8K106 20VT/LBNVLD SOL CONTROL9K299 18BR/ORO2 1/2 HEATER CONTROL10K399 18BR/GYO2 2/2 HEATER CONTROL11C13 20LB/ORA/C CLUTCH RELAY CONTROL12V36 20VT/YL (3.7L/4.7L)S/C VACUUM SOL CONTROL13--14B16 20LB/DG (5.7L/SRT8)BRAKE SWITCH NO. 2 SIGNAL15V937 20VT/BRS/C SWITCH RETURN16K167 20BR/YL (5.7L/SRT8)APPS NO. 1 SENSOR GROUND17K400 20BR/VT (5.7L/SRT8)APPS NO. 2 SENSOR GROUND18V72 20OR/VT (5.7L/SRT8)S/C SWITCH SENSE 219F42 16DG/LGFUSED ASD RELAY OUTPUT20K52 20DB/YL (GAS EXCEPT SRT8)EVAP PURGE SOL SIGNAL20K52 20DB/WT (SRT8)EVAP PURGE SOL SIGNAL21--22--23B15 20DG/WTBRAKE SWITCH NO. 1 SIGNAL24--25K23 20BR/WT (5.7L/SRT8)APPS NO. 1 SIGNAL26--27T5 20DG/YL (4.7L/5.7L/SRT8)AUTOSTICK UP/DOWN (ERS) SENSE28F42 16DG/LGFUSED ASD RELAY OUTPUT29K70 20DB/BREVAP PURGE SOL CONTROL30--31--32--33G224 20VT/YL (5.7L/SRT8)ENGINE OIL TEMPERATURE SIGNAL34V71 20VT/ORS/C SWITCH SENSE 135K107 20VT/WTNVLD SWITCH SIGNAL36K29 20WT/BR (5.7L/SRT8)APPS NO. 2 SIGNAL37K31 20BRFUEL PUMP RELAY CONTROL38T752 20DG/ORENGINE STARTER MOTOR RELAY CONTROL

magnumman426 10-15-2010 09:46 PM

Re: P0443 Problem, need some help
 
C4 Connector: TRANSMISSION

https://w05.dealerconnect.chrysler.c...S/818921f7.gif MODULE-POWERTRAIN CONTROL C4 - BLACK/GREEN 38 WAY

CAVCIRCUITFUNCTION1T60 18YL/GYOD SOLENOID CONTROL2T259 18YL/DG4C SOLENOID CONTROL3--4T140 18YL/GYMS SOLENOID CONTROL5--6T219 18YL/LG2C SOLENOID CONTROL7--8T59 18YL/LBUD SOLENOID CONTROL9--10T20 18DG/WTL/R SOLENOID CONTROL11T118 18DGPRESSURE CONTROL SOLENOID CONTROL12Z903 16BKGROUND13Z903 16BKGROUND14Z903 16BKGROUND15T1 20DG/LBTRS T1 SENSE16T3 20DG/DBTRS T3 SENSE17T6 20DGTOW/HAUL OVERDRIVE OFF SWITCH SENSE18T15 20YL/BRTRANSMISSION CONTROL RELAY CONTROL19T16 16YL/ORTRANSMISSION CONTROL RELAY OUTPUT20T48 20BR/YL4C PRESSURE SWITCH SENSE21T29 20YL/WTUD PRESSURE SWITCH SENSE22T9 20DG/TNOD PRESSURE SWITCH SENSE23--24--25--26T4 20DG/LBTRS T2 SENSE27T41 20YL/DBTRS T41 SENSE (P/N)28T16 16YL/ORTRANSMISSION CONTROL RELAY OUTPUT29T50 16YL/TNL/R PRESSURE SWITCH SENSE30T147 20DG/YL2C PRESSURE SWITCH SENSE31T38 20YL/BRLINE PRESSURE SENSOR SIGNAL32T14 20DG/BROUTPUT SPEED SENSOR SIGNAL33T52 20DG/WTINPUT SPEED SENSOR SIGNAL34T13 20DG/VTSENSOR GROUND35T54 20DG/ORTRANSMISSION TEMPERATURE SENSOR SIGNAL36--37T42 20DG/YLTRS T42 SENSE38T16 16YL/ORTRANSMISSION CONTROL RELAY OUTPUT

magnumman426 10-15-2010 09:48 PM

Re: P0443 Problem, need some help
 
C3 connector is the one you want to use.

magnumman426 10-15-2010 09:51 PM

Re: P0443 Problem, need some help
 
https://w05.dealerconnect.chrysler.c..._US/334219.jpg

magnumman426 10-15-2010 09:52 PM

Re: P0443 Problem, need some help
 
Hope this helps!

akabigo 10-20-2010 08:14 AM

Re: P0443 Problem, need some help
 
Thank you very much. I will give it a kick in the ass with this and see what happens.

Have a great day

Orlando


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