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Long story short, one day noticed water in the drivers footwell, found a leak on the door to body wire harness. Dried car out. Car was 100% before this, seemed to be OK even when wet. 2 Weeks later, car started getting random faults on the MFI (Brake, ABS, PSM, etc). Would clear, then come, then clear. Battery is about 7 months old (replaced when I first got these errors) Ton of errors in durametric, then one day would not start or move out of if it did start. Peeled carpet back. Found 3 wires. 1 Crimped, 2 soldered. 1 of the soldered was gone, so cut that out, butt soldered and then repeated for the other 2 as I heard they usually go bad. Cleared all the DTCs with durametric, car started fine, all looked good in happyville. 2 weeks later got a check engine light, read codes, p0119, p0117 and p1552 (from memory, may be wrong). Seemed to be the engine temp sensor. Thought maybe a fluke, reset and ignored. This has been on and off last few months. I also noticed when hooking the durametric, or other code readers, it seemed to create a draw on the system, and the engine would idle rough, or the e throttle would not respond if I tried to drive with it plugged in. Pulled the durametric and all was fine, same with a bluetooth ODBII module I have. I replaced relay 433 under the driver's seat, and this seemed to cure that problem, since it provides relayed power to the CANBUS. About 3 months later got a PSM failure, at 45MPH and car went into limp mode. Restarted car, error was gone. Seemed fine for another month, got the same PSM failure yesterday, car seemed to be lurching a bit in slow moving traffic when it came up. Could the bad temp sensor be triggering this? It has slowly gotten worse I assume as once in awhile I see my gauge stops working. Or did I miss something else with my wire repairs. I am at the point ready to rip out passenger wiring under the carpet and inspect, but I suppose I should just replaced the impossible to reach temp sensor first, as it really does seem bad at this point. I also notice all the fuse block fuses for the PSM are on the right hand side, makes me wonder if the wiring issue is there. Just seems weird I have all these problems at once.
Hello guys, Ii rented an innova to clear the codes, i just had too many old one, but weirdly a PSM failure i had for a while, but came back :-(. While it was out i was able to press the PSM button off/on and it lit up and off and appeared everything worked. Also the sports button and that struss type button could be turned on / off. Now all are out :-( I wonder where i can find out what is messed up. I went under the drivers seat, i will attach pics soon, and will like to buy those connectors with cables to re-do all that cabling down there, it is ugly. Ideas?
Neb33 posted a topic in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)Hi everyone, So I have been doing some research before I attempt to install my own radio. I have a 2003 C4S with a MOST system, but non bose. So I have to install 4 wires from the head unit to by pass the amp in the trunk. I can not seem to find a good way to enter the trunk. I have attached some picture, and here is where the harness and optical cable enters the trunk. It looks very tight, how do I put more wires through the gromet? Should I drill the gromet? The red arrow is where the tunnel through the firewall is. Please advise! Thanks !