Causes. Possible causes of OBD code P0234 Citroen. – Brake torque (brake on and throttle at wide open). – Transmission oil temperature (TOT) exceeds calibrated threshold. – Engine over temperature. – Ignition misfire exceeds the calibrated threshold. – Knock sensor (KS) failure. You will find below several pictures which will help you find your OBD connector in your Citroen C4 Grand Picasso (2006 - 2013). The OBD II plug is located on the left of the steering wheel. Unscrew and remove the plastic cover around the headlights setting command. You will need a diagnostic scanner, a digital volt/ohmmeter (DVOM), and a source of reliable vehicle information in order to accurately diagnose a code P2291. You may save yourself time by searching for technical service bulletins (TSB) that replicate the code stored, vehicle (year, make, model, and engine), and symptoms exhibited. It says you must connect it to the CAN HI and CAN LO, which is a twisted pair of wires that should be blue (Pin 6) and red (Pin 14) supposedly at the OBD socket, according to the instructions: Note that link only has C4, not C4 Picasso (don't know if it is different colours for C4 Picasso variant) Where is the OBD socket? Diagnostic Connector - Caravan Towing Hitch: 15: 2: Spare-3: Spare-4: Electronic control unit (ECU) - Instrument cluster - Car radio - Diesel fuel additives - Steering wheel control buttons: 20: 5-15: 6: Diagnostic connector: 10: 7: Rain and light sensor: 15: 8: Spare-9: Sunroof - Rear Power Windows: 30: 10: Heated rear window - Heated outside . If you own a second-generation Citroen C4 Picasso (year 2013-2020) and want to find out where the OBD port is located, then all you have to do is follow these simple steps. First, enter the interior of the vehicle and open the glove compartment located on the passenger side front. Read EEPROM first, then “Mileage calibration”, then “Write EEPROM”. Part 2: Program a Citroen C4 Picasso key with a OBDSTAR X300DP Plus. Select ” Peugeot /Citroen / DS V32.32″. Select “Citroen”. Select “Read PinCode”. Select ” Add Keys Read”. After reading the pin code, we back to this function menu. Select “C4 Picasso”. Engine fault repair needed! Hi all, I have a 2011 Citroen C4 1.6 THP 155 Exclusive semi-automatic gearbox. Its engine warning on the dashboard has been on for months due to downstream oxygen sensor, it's recently serviced at the main Citroen dealer, they changed the oxygen sensor and cleared the fault but after 30-40 mins of usage engine Citroën C4 Picasso: Fusibles dans la planche de bord Manuel du conducteur Citroën C4 Picasso / Informations pratiques / Changement d'un fusible / Fusibles dans la planche de bord La boîte à fusibles est située dans la partie inférieure de la planche de bord (côté gauche). You will need a diagnostic scanner, a digital volt/ohmmeter (DVOM), and a source of reliable vehicle information in order to accurately diagnose a code P2291. You may save yourself time by searching for technical service bulletins (TSB) that replicate the code stored, vehicle (year, make, model, and engine), and symptoms exhibited.

citroen c4 grand picasso obd location