P1638 Diagnostic Trouble Code Discussion for August 2011
TCM Internal - CAN 1 RAM Performance
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1638
| Help Request | Posted | |
| 1997 Jaguar XK8 4.0L Won't turn off VIN: SAJGX2748V P1638: Computer circuit malfunction. This car will not stop running when key is turned off and removed. I disconnected both the ignition switch and the inertia switch and it continues to run. When I switch key off, radio and climate control shut down but engine keeps running. I pulled the EMS rel... |
August 08, 2011 |
