Transfer case noise when shifting gears?

Tiny
AJALL
  • MEMBER
  • 2014 JEEP GRAND CHEROKEE
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
I am driving the vehicle listed above. I am experiencing Transfer case noise whenever shifting from P to D or to N or to R, it keeps clicking for some 5 seconds and stops then clicks while stopping at junctions. I can also feel some binding at rear tires at strong turns. Further, the Jeep isn't shifting / engaging in 4WD Low. All tires are same and in excellent condition. A mechanic says that this noise is from Transfer case motor. I have already changed all fluids Transfer case, Front and Rear Differentials. I am in KSA mechanics are not well versed. I have read here the same question asked by ZAIN7 some time ago.
Thursday, June 20th, 2024 AT 7:14 AM

7 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,162 POSTS
Yep, the transfer case control module DTCM is in the lower seat well on the drivers side and can get moisture in it, here is the location of the transfer case module so you can check it out.

DTCM VERIFICATION TEST
Diagnostic Test

DRIVETRAIN CONTROL MODULE (DTCM) VERIFICATION TEST

NOTE: If the DTCM, Powertrain Control Module (PCM), or Body Control Module (BCM) was replaced, refer to the Service Information for proper programming and alignment procedures.
Reinstall any removed components.
Reconnect any disconnected electrical connectors.
Be certain the battery is fully charged.
With the scan tool, erase DTCs.
Remove the scan tool from the Diagnostic Link Connector (DLC).
Turn off all accessories.
Turn the ignition off and close all doors. Wait 30 seconds.
Operate the vehicle under the conditions that originally set the DTC or caused the symptom.
With the scan tool, read DTCs.

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Thursday, June 20th, 2024 AT 2:11 PM
Tiny
AJALL
  • MEMBER
  • 4 POSTS
Hi Ken. Thank you for your response.
Your answer doesn't clearly indicate what may be the problem. Is it bad TC motor?
Or Is it bad DTCM?
From your answer, I took that DTCM is bad.
Humbly requested, please clarify.
Regards.
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Thursday, June 20th, 2024 AT 2:54 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,162 POSTS
Yes, the problem should be the DTCM near the driver's seat. Sorry for the confusion.
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Thursday, June 20th, 2024 AT 5:08 PM
Tiny
AJALL
  • MEMBER
  • 4 POSTS
Hi Ken. Thank you for your help. After the weekend, I am going to order the part. And I ll keep you posted about the result. Keeping my fingers crossed.
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Thursday, June 20th, 2024 AT 11:23 PM
Tiny
KEN L
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  • 50,162 POSTS
Sounds good, have a nice weekend.
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Friday, June 21st, 2024 AT 10:19 AM
Tiny
AJALL
  • MEMBER
  • 4 POSTS
Hi. I got today DTCM from dealership. I changed it myself, voila. The noise is gone. 4wdLow is engaging. 4wd Service light is gone. Thank you very much. For your help and pinpoint diagnosis.
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Wednesday, June 26th, 2024 AT 11:59 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 50,162 POSTS
Glad you could get it fixed, thanks for letting us know. Please use 2CarPros anytime we are here to help.

Can you please leave us a rating? (copy entire link)

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Thursday, June 27th, 2024 AT 9:51 AM

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