However, like any car, the Grand C4 Picasso is not without its issues. Common problems with the car include diesel engine oil leaks, diesel particulate filter (DPF) issues, electronic parking brake (EPB) failure, and battery drain issues. The largest English language online Citroen C4 and DS4 Owners Help and Support site incorporating C4owners.co.uk C4owners.com C4GP.org and DS4owners.org. In general it could have been a failing batter or a problem with the fuse box. Ok car went back to garage today with a new battery on and further investigation of the faults. In a weak charging system, the dashboard lights and headlights will dim at idle but become brighter when the engine is revved. Damaged Battery or Cables. This is probably the most common cause of the battery charge fault. Over time, batteries can get damaged, the terminals become corroded, or the cables get dislodged or damaged. Thought I would contribute back. Here are the correct steps for my Citroen Picasso C4 Petrol 2007 battery replacement. - Remove top of air filter box/air intake - Lift front flap on positive terminal and undo. - The red top cover, 2 clips at front left and right, squeeze together lift front up and then pull, slides out. Panda76 said: I could neve fathom out how you would hill start in the bloody thing,you needed three feet, one for the clutch,one for the go pedal and another one to tap the foot brake. Waste of When the Citroen C4 Picasso immobilizer warning light is illuminated, it means that there is a problem with the vehicle's immobilizer system. This system prevents the engine from being started without the correct key. If the light flashes, the system is not working correctly, and the engine may start without the right key. All warning light come on when ignition starts My 2013 C4 Picasso has suddenly developed a problem where ALL the warning messages seem to come one [more Citroen grand C4 Picasso MK2 2013 front parking sensors Hi there, Its not the resistor. Motor spins wired directly to battery. Getting[more ] By Benb1978 On Wed Aug 24 2022, 10:02am: Step 1: Take the positive (red) clamp closest to the car with the good battery and hook it to the positive terminal of that car. The positive terminal will have a + sign on it and usually a red wire running to it. Step 2: Repeat this step on the car with the bad battery, hooking up the positive clamp to the positive terminal on the battery. Remove positive terminal. Lift cover off part 10 on the diagram. remove negative terminal. undo bolt on the left hand side which holds the retaining plate on. (part 20) Remove battery. Then remove the cover from the battery once it is out and fit to new battery and reassemble. C4 - DS4 Owners:: Forums:: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso and Grand C4 Picasso (B78) Problems and Issues if the battery is going to be disconnected, you would allow the car to go 'to sleep' after locking and waiting 5-10 minutes with the bonnet up. i have the same problem on 65 plate grand qljg.