OBD II MSG

[Tom Honeyford]

My wifes 98 Taurus (3.0 liter) has an error code of P0340- camshaft position sensor A- bank 1 circuit malfunction. She got the code after having a dead battery replaced. Does anyone know what this means? I cleared the code w/an OBDII reader and it hasn't come back, so far. Any clues which way I should go? Thanx in advance!

 

[shawn stonbraker 2]

All I can give is what is from the codes I have in my member library.



Discription:



The test fails when the PCM can no longer detect the signal from the CMP sensor on Bank 1.



Here is a list of posible causes:



CMP circuit open

CMP circuit short to GND

CMP circuit short to PWR

SIG RTN open (VR sensor)

CMP GND open (Hall effect sensor)

CMP misinstalled (Hall effect sensor)

Damaged CMP sensor shielding

Damaged CMP sensor

Damaged PCM



What to check/look for:



Harness routing, harness alterations, improper shielding, or electrical interference from other improperly functioning systems may have intermittent impact on the CMP signal.



Anything more than that, sorry, I'm not much help. I have the codes from my DVD manual in my library just in case you want to look.

 

[Trevor Yeomans]

maybe a fault due to low voltage from the dead battery. wouldnt worry about it unless the fault comes back.