worbird

Car died while driving at about 25 mph - Car was in Drive (D) when died and wife put into park (P) after she coasted into parking lot. To load onto flatbed had to use manual shift lock release to get to neutral. Battery was completely dead--Optima Red Top.

Changed battery and dash lights came on a system Navigation unit showed system loading and not to turn off power - it loaded and when I tried to start the car it would not start. Put car into nuetral to eliminate the Park sensor issue and still would not start. ALL lights and systems are very bright as they should be and I hear a faint hum which almost sounds like a fuel pump staying on but in the engine compartment/dash area---very faint hum.

Tried disconnecting battery a few times and to allow ECU to reset and still would not reset.

Prior to this the car was having the VSC issue with the transmission not shifting past 3rd - I know the solenoid packs are probably bad but not sure this would affect the engine start up.

Tried both remotes to make sure it saw key.

It acts almost like it is not seeing a safe to start (not in Park) or neutral

Any help would be greatly appreciated

Othic

Did you install the battery backwards? Check the main fuse block. Does the security light flash?

worbird

I am pretty well trained and mechanically inclined. Yes--the battery was installed correctly --yes the security light flashes...ran codes and 1223 and 1241 - - the 1241 is a low positive voltage but I have installed two different batteries and both are over 13.5 v

SILENTM

Have you tried locking and unlocking the door manually with the key blade then placing the fob near the push to start

worbird

Found out another piece of information from the wife - the "brake" word/light came on, then power steering failed, NAV started flashing and when she pulled it off the road and came to the complete stop was when the engine died.

Gs3500

，perhaps ur alternator is dead?

worbird

just tried the "key" to manually lock and unlock and it it the same. The keyfobs/remotes work fine and I am getting a amber light/accessory mode when no brake is pushed and the green light to start when the brake is pushed. When cycled to "Off" the steering wheel retracts as it should and all shuts down as it should. WHen the start/green lite on is pushed the "brake and engine lights are illuminated

worbird

Alternators only recharge the battery and provide system power once engine is running - it has no start up function.

baldrick

Is the vehicle cranking at all? If the problem is with the park/neutral switch, it will not crank.

If it is cranking but not starting I would suspect checking the fuel pump, mass air flow sensor, crankshaft and camshaft sensor or the ignition system.

I don't know if your vehicle has electric power steering but if it fails, that may also lock you out from starting.

SILENTM

Maybe the intergration relay unit is bad. also check the efi, ecu fuses in the engine compartment

avs20

iTrader: (2)

When my battery went dead after sitting for a while...I had to press the lock then unlock button on the door panel. Even after putting a brand new battery in, it seemed like the battery was dead. I'm guessing the security system took over somewhat and had to be disabled.