SOURCE: citroen c5 esp/asr system fault Whenever this warning light or any other stays on in the dash it is indicating that the systems control module (or the system sensor in the case of lights like low oil pressure, door open indicators etc.) has detected a fault, it then disables the system (this applies to ABS,TCS, TCM, SRS, TPMS, MIL, CEL and BCM faults and others) as long as the light is on.
What Does Code U0415 Mean? OBD II fault code U0415 is a generic code that is defined as ā€œInvalid Data Received from Anti-Lock Brake System (ABS) Control Moduleā€, and is set when the PCM (Powertrain Control Module) detects or receives a signal from the ABS control module that is invalid, implausible, erratic, or that otherwise falls outside of the expected range.
Some typical reasons for the trouble code U0415 are: Damaged wiring of the and/or connectors like damaged, shorted, burnt, disconnected, or corrosion in the wire. There is a fault with one or more Wheel Speed Sensors. But some extra malfunction codes are displayed in this trouble code. There is a Damaged or faulty pump function of the ABS pumps.

The P0344 code indicates that there’s an issue with the signal coming from the Bank 1 camshaft position sensor. The PCM has lost the signal in Bank 1, the engine bank that holds the first cylinder. While this is a generic powertrain code for most makes/models, there are some that use it to indicate something else.

You will find below several pictures which will help you find your OBD connector in your Citroen C4 Picasso (2006 - 2013). The OBD2 port is on the left of the steering wheel Unscrew the screw one quarter turn and remove the cover Find a compatible scanner for Citroen C4 Picasso (2006 - 2013) The OBD2 connector is on the right
P2202 is a diagnostic trouble code (DTC) for "Nitrogen Oxide Sensor (NOx) Sensor Circuit Low Input Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light XdIi. 248 328 232 150 72 202 54 150 361

citroen c4 picasso obd location 2015