The check engine light is part of every vehicle that has an electronic engine management system, either an integral one or only for fuel ignition. Its function is to alert the driver about any type of engine problems. While driving, the computer of your C4 Grand Picasso (ECU o PCM) monitors air/fuel supply and exhaust gases in order to verify
Citroen C5, Dispatch, or C4 Picasso / Grand Picasso won’t start frequently due to a faulty Delphi DCM3.5 engine ECU. The Delphi DCM3.5 ECU is a commonly failing part due to internal component malfunction, which causes intermittent and even permanent symptoms such as rough running, the engine management light illuminating, cutting out, and ultimately complete non-start of the vehicle.

Wed Jan 18 2012, 03:31am. Recently the C4GP's outside temperature display has fluctuated between -20 and +35 degrees, and now its stopping working completely so a few questions. Unfortunately I haven't been in locations or holidays enjoy these temperature extremes! Where is the outside temperature sensor, and how easy is it to change as a DIY job.

Citroen Grand Picasso C4 OBD2 Port Locatin. Find Obd Location. 2.81K subscribers. Join. Subscribe. Subscribed. 266. 83K views 6 years ago. Citroen Grand Picasso C4 OBD2 Port Locatin "Thanks
Joined: Nov 26 2011. Location: Wirral. Well, picked up my C4 Picasso today drove away and the radio is acting like it has a weak signal, RDS not locking properly etc, so need a little info. It's the standard RD4 I believe, had the radio out and it's all connected but there did seem to be tape around some wires which looked a bit strange
The release of the second generation Citroen C4 Picasso began in 2013, which was preceded by the premiere of the concept car Citroen Technospace, which became the prototype of the new minivan, which took place at the Geneva Motor Show in March of the same year. Sat Aug 27 2016, 11:01am. Member No: #27768. Joined: Oct 13 2012. Location: Hove. A final update, the dealer replaced the front right ABS sensor & the hub bearing that has the ABS ring on it. All for the measly sum of £580. My 07 plate C4 Grand Picasso developed an increasingly frequent Handbrake Faulty/ ESP faulty warning. I ignored it for over a year then the warning became permanent about 4 weeks ago and the automatic brakes did not work. I called my local independent Citroen specialist who said there was one other car being looked at with the same problem. I have put the C4 Picasso in for a recall - (the plastic behind the battery) whilst in i asked for a diagnostic because i have been getting the random errors on antipollution, handbrake and traction control, i was thinking it was the fusebox problem so told them and they knew the errors to look for to say it was a defo fusebox failure. U1208 4nAQu.
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    • citroen c4 grand picasso 2014 obd location