C4 Picasso (B78) 2014 Gearbox Actuator oil leak. I have a 2014 Citroen C4 Picasso (5 seater). It's an automated manual transmission. I had removed the engine undertray because I was replacing it as the old one was split and hanging off. I noticed a large oil patch on the left side of the vehicle (opposite side to the engine oil). ·Gearbox gear engaged : ratio 1 ·gearbox ratio setting : ratio 1 ·ECU triggering status : Main ·Changing gear : No ·Engine speed : 1365 rpm ·engine coolant temperature : 80 °C ·Speed of rotation of the front wheels : 0 rpm ·Gearbox input speed : 0 rpm ·Accelerator pedal position : 37.5 % ·Main brake (wire) : Released My Picasso 2012 now sometimes will not select N to start. Occasionally when running I stop and it will not go into reverse. Normally after 5 minutes playing with the selector it rectifies. My Citroen dealer ran the computer for 2 hours and could not find the fault. He said it is not the selector nor the gearbox. Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides C4GP Piloted Manual gearbox sensor swaps. C4 Picasso 1.6HDI ETG6 2014 Hold the right button on your dashboard for several seconds until zero is shown on the trip odometer. If this button does not function, you can use the right-hand counter comodo by pressing the button at its end for a couple of seconds till the odometer of your Citroen C4 Picasso 2 is reset to zero. Finally, on some of the newer models, you may Select the last item on the list (since I have a Lexia in Swedish I'm not sure what it says, something like "parameters"). Choose "switch/change gearbox computer" and run the calibration. Follow the sections you see, it will start by calibrating the position of the gears, followed by the power need for the clutch. Features and equipment levels differ according to country. Models were initially fitted with a 6-speed automated manual gearbox, called “Efficient Tronic Gearbox 6-speed,” and were later replaced by a 6-speed torque converter automatic transmission. It must be said that the C4 has a bigger focus on comfort than performance. So for confirmation 'Habo' has a C4 PICASSO ESTATE - LEISURE 1.6 HDi 110 particle emission filter (DV6TED4) piloted manual gearbox 6. The key thing here is the actual cause. Read what Richard said and see if that resolves the issue View online or download Citroen C4 PICASSO Owner's Manual, Specification, Brochure Trip Reset. 58. Trip Computer. 58. Speed Electronic Gearbox System. 151 Part: Checks and maintenance Operation: How to program and reset the gearbox of the Citroen C4 Picasso. Today's guide will show us the necessary steps to program or reset the gearbox control unit of the Citroen C4 Picasso, as well as other models from the manufacturer. udkE0me.