Transmission overheat light turns on

Tiny
SANTAKEITH
  • MEMBER
  • 2006 JEEP COMMANDER
  • V8
  • 110,900 MILES
I can not drive over eight or nine miles without the transmission overheat tight turning on. My fluid level is right on and the color is bright.
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Friday, June 9th, 2017 AT 11:20 AM

2 Replies

Tiny
HMAC300
  • EXPERT
Scan for codes there may be another problem with it causing it to put light on. Then get back to us with codes if any. Also, check to see if wire may be hitting something where worn through.
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Friday, June 9th, 2017 AT 11:26 AM
Tiny
STEVE W.
  • EXPERT
Welcome to the wonderful world of Jeep. I will save you a bunch of looking. Have the PCM replaced, tell the place doing the replacement to verify they are using the latest update to flash the replacement. Oh and to attempt to keep that transmission happy add an extra cooler. This is a common problem with the 2003-2008 Jeeps that do not have CVT or manuals.

STAR Case Number: S1421000016
Release Date: 05/20/2013
Symptom/Vehicle Issue:
Transmission Temperature Warning Lamp Illumination along with DTC P0218 High Temperature Operation Activated

Diagnosis:
1. As identified in TechCONNECT s diagnostics for P0218:
a. Verify proper engine cooling system operation which would affect proper transmission operation.
B. Verify proper torque converter clutch operation.
2. Was an issue identified with the transmission cooling system or transmission?
A. YES>>>Repair as necessary.
B. NO>>>Proceed to the next step.

3. With the scan tool, check the Event Data to help identify the conditions at which the DTC was set.
4. Did the Event Data recording indicate an unlikely situation (E.G. Transmission Temperature at +127oC. (+260oF.) And Engine Temperature at -20oC. (-4oF.)?
A. YES>>>Replace Powertrain Control Module (PCM)

b. NO>>> The customer s driving pattern may indicate the need for an additional transmission oil cooler.
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Saturday, June 10th, 2017 AT 3:15 PM

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