Question about 2005 Jeep Cherokee 2.8

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Jeep cherokee 2.8 crd limited 2005, gives fault codes 26, 3,11 and 40(not p codes). can anyone tell me what these codes mean?

2.8 crd limited

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  • Master
  • 2,692 Answers

Most auto parts stores with decode for you , for free.

Posted on May 15, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Mike258
  • 1498 Answers

SOURCE: Trouble code 54 on a 1995 Jeep Grand Cherokee

Carb'ed Engines:
Code 54 - Mixture Control (MC) solenoid is shorted or the ECM is faulty.

Fuel Injected Engines:
Code 54 - Camshaft (or distributor sync.) reference circuit - No camshaft position sensor signal detected during engine rotation.

Hope this helps

Mike

Posted on Jul 14, 2008

davespcr
  • 115 Answers

SOURCE: when in 4wd it makes a noise

Is the noise in the front or middle? If it's in the front, it is most probably a wheel hub or differential case bearing. First I would check (or replace) all the gear lube in the transfer case and both differentials.
If the sound is under the middle of the jeep, it's probably a front output bearing in the transfer case.

Posted on Jan 16, 2009

  • 323 Answers

SOURCE: Jeep Grand Cherokee Limited P0700 diagnostic problem

P0700 means there is a transmission fault code in the transmission controller. Since the transmission controller doesn't have a light attached, it tells the engine controller to turn the light on using this code. You'll have to access the transmission controller to further diagnose the problem.

Posted on Jun 14, 2009

Mustgo
  • 2359 Answers

SOURCE: 2005 DIAGNOSTIC ERROR CODE P0069, CRD ENGINE WONT

Are you traveling high ground like Rocky Mountain?

I will remove the ground cable for 4 minutes to reset all data in ECU.///clock and radio stations too : (

Let the ECU to relearn the local environment parameter.



Here's so info on how to prevent vapor lock

Ride with full tank of gas but NO TOP OFF.

Crack open gas cap carefully during rest stops to release / equalize gas tank pressure'

http://www.estes-park-information.com/vapor-lock.html


Good Luck

Posted on Jul 15, 2009

ZJLimited
  • 17970 Answers

SOURCE: jeep grand cherokee 2.7 crd

DTC P0243 - Turbo/Super Charger Wastegate Solenoid A
Description: Open or shorted condition detected in the turbocharger wastegate solenoid control circuit.


Here is the flow chart for that code (some images could need to clicking for zoom)...

P0243-WASTEGATE PRESSURE CONTROL PWM

zjlimited_337.gif

For a complete wiring diagram Refer to Section 8W.

When Monitored: When the ignition is on.
Set Condition: The ECM detects an open or short circuit in the Wastegate solenoid circuit.

Possible Causes
DAMAGED WIRING HARNESS OR CONNECTORS
WASTEGATE SOLENOID
(F504) FUSED IGNITION SWITCH OUTPUT OPEN
(K139) WASTEGATE SOLENOID DRIVER CIRCUIT OPEN
(K139) WASTEGATE SOLENOID CIRCUIT SHORTED TO GROUND
(K139) WASTEGATE SOLENOID DRIVER SHORTED TO VOLTAGE
(K139) WASTEGATE SOLENOID DRIVER CIRCUIT SHORTED TO ANOTHER CIRCUIT
ECM
INTERMITTENT CONDITION

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)

Diagnostic Test
1. DAMAGED WIRING HARNESS OR CONNECTORS

zjlimited_338.gif

Turn Ignition off.
Disconnect the ECM harness connectors.
Disconnect the Wastegate Solenoid harness connector.

NOTE: Check connectors - Clean/repair as necessary.


Are any wires or pins damaged?

Yes
Repair or replace any damaged wire or connectors.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 2


2. WASTEGATE SOLENOID

zjlimited_339.gif

Reconnect the ECM harness connector.
Reconnect the disconnected Wastegate Solenoid harness connector.
Turn the Ignition on, engine not running.
Disconnect the Wastegate Solenoid harness connector.
Connect an incandescent test light across the supply and driver pins at the Wastegate Solenoid harness connector.

NOTE: The ECM will perform a self check of the circuit after approximately 30 seconds, which should light the incandescent test light.


Does the light illuminate brightly after 30 seconds of being connected?

Yes
Replace the Wastegate Solenoid.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 3


3. (F504) FUSED IGNITION SWITCH OUTPUT OPEN

zjlimited_340.gif

Connect an test light between the Wastegate Solenoid connector Fused ignition switch output circuit and battery negative.
Compare the test light brightness to that of a direct connection to the battery.

Does the light illuminate brightly?
Yes
Go To 4

No
Repair the open (F504) Fused Ignition switch output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).



4. (K139) WASTEGATE SOLENOID DRIVER CIRCUIT OPEN

zjlimited_341.gif

Disconnect the ECM harness connectors.
Measure the resistance of the Wastegate Solenoid driver circuit between the Wastegate Solenoid harness connector and the ECM harness connector.

Is the resistance less than 10 Ohms?
Yes
Go To 5

No
Repair the open (K139) Wastegate Solenoid control circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).


5. (K139) WASTEGATE SOLENOID CIRCUIT SHORTED TO GROUND

zjlimited_343.gif

Measure the resistance of the (K139) Wastegate Solenoid driver circuit between the Wastegate Solenoid harness connector and battery negative.

Is the resistance less than 10 Ohms?
Yes
Repair the (K139) Wastegate solenoid circuit shorted to ground.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

No
Go To 6


6. (K139) WASTEGATE SOLENOID DRIVER SHORTED TO VOLTAGE

zjlimited_344.gif

Measure the voltage between the (K139) Wastegate Solenoid driver circuit at the Wastegate Solenoid connector and battery negative.

Is the voltage less than 1 volt?
Yes
Go To 7

No
Repair the (K139) Wastegate solenoid driver shorted to voltage.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).


7. (K139) WASTEGATE SOLENOID DRIVER CIRCUIT SHORTED TO ANOTHER CIRCUIT

zjlimited_345.gif

Measure the resistance between the (K139) Wastegate Solenoid driver circuit in the ECM harness connector and all other circuits in the ECM harness connectors.

Is the resistance less than 10 Ohms?
Yes
Repair the (K139) Wastegate solenoid circuit shorted to another circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL). (Refer to 9 - ENGINE - DIAGNOSIS AND TESTING)


No
Go To8


8. WASTEGATE SOLENOID

zjlimited_346.gif
Reconnect the ECM harness connector.
Reconnect the disconnected Wastegate Solenoid harness connector.
Turn the Ignition on, engine not running.
Disconnect the Wastegate Solenoid harness connector.
Connect an incandescent test light across the supply and driver pins at the Wastegate Solenoid harness connector.

NOTE: The ECM will perform a self check of the circuit after approximately 30 seconds, which should light the incandescent test light.


Does the light illuminate brightly after 30 seconds of being connected?
Yes
Refer to the INTERMITTENT CONDITION Symptom (Diagnostic Procedure).

No
Replace the ECM.
Perform POWERTRAIN VERIFICATION TEST VER - 1 (DIESEL).

------------------------------------------------------------------------------------------------------------------------------------------------

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Posted on May 04, 2011

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