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Removing the TCM or PCM
- Thread starter Hylander
- Start date
JJacobs
NAXJA Forum User
- Location
- Fort Collins CO
TCM is above the gas pedal and a little to the right. PCM is underhood, inboard of the driver's side fender with three large connectors- black, gray, white.
- Location
- WA state
Junkyard, craigslist, forums. Only way I would see testing it would be to swap it in another XJ or with a scanner.
joe_peters
NAXJA Forum User
- Location
- Grants Pass, OryGun
"Transmission not shifting right"?
More descriptive?
More descriptive?
- Location
- Rainy side of Washington
From your other thread, you said this started happening right after you washed the engine off. I'd bet on you getting water into the TPS as this is a common issue and affects the TCU's view of the world. Try replacing the TPS first, it is far cheaper and much more likely to be your culprit. Also follow the instructions from the other thread and use some contact cleaner and dielectric grease to clean out the connectors, ESPECIALLY the TPS connector.
Already replaced the TPS and did the NSS fix as well.