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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Bad Transmission Temperature Sensor……?

Old 10-31-2014, 11:39 AM
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Default Bad Transmission Temperature Sensor……?

I have a 2001 6 cylinder F150 automatic with overdrive; the overdrive light started flashing awhile back when the shift lever **** came off due to a crack in the plastic. The truck has been running fine, no noticeable shifting problems. I ordered a replacement shift lever and installed it thinking that the old one may have shorted something. Light is still blinking. I took it to a transmission shop, they did a scan and took it for a test drive and agreed that it was running OK. They said that they got a code (I did not get the specific code) for a bad “Transmission Temperature Sensor” located in the pan, they would have to drop the pan to replace…..said it was reading way over normal temperature (8,850 F), but they also checked the dipstick while hot and said it did not feel overheated and there is no discoloration in the fluid. My question is this: Is there a “transmission temperature sensor” located in the pan? I have looked for such a part and cannot find one. Also they tried to erase the code and could not do it…said it was a “hard code”….Is there a difference between a “hard’ and “soft” code? Thanks in advance for any and all answers.
Old 10-31-2014, 12:38 PM
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The trans temp sensor is located in the harness going to the solenoid pack. Cant just replace the sensor. Have to replace the harness.
Old 10-31-2014, 10:12 PM
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So, is the harness located inside the pan?
Old 11-01-2014, 01:31 AM
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Yep. Has a bulkhead that seals against the case.


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