P1685 Citroen Transmission Control Module Power Up Temperature Sensor Circuit Low Voltage
Possible causes
– Reprogram TCM and recheck code
– Replace Transmission Control Module (TCM) Sensor/body assembly one piece
– Replace Transmission Control Module (TCM) Sensor/body assembly one piece
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1685 Citroen Description
The Transmission Control Module (TCM) power up the temperature sensor is located inside of the control solenoid (w/body and TCM) valve assembly and has no serviceable parts. The TCM power up temperature sensor provides the temperature pof the TCM at TCM power up. This temperature readings is used in various shifting and diagnostic routines in the TCM software. This fault is handled inside the TCM and no external circuit are involved.
Citroen Vehicle:2013 Citroen,2012 Citroen,2011 Citroen,2010 Citroen,2009 Citroen,2008 Citroen,2007 Citroen,2006 Citroen,2005 Citroen,2004 Citroen,2003 Citroen,2002 Citroen,2001 Citroen,2000 Citroen,1999 Citroen,1998 Citroen,1997 Citroen,1996 Citroen,