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C4 - DS4 Owners :: Forums :: Citroen C4 Picasso and Grand C4 Picasso (B78) 2013 onward :: C4 Picasso and Grand C4 Picasso (B78) Problems and Issues
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2014 C4 Picasso 1.6HDI ABS Fault, ABS, ESP, service light, Tyre pressures warning lights illuminated
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Author Post
031258kevin   
Fri May 17 2019, 10:26am
Member No: #53738
Joined: May 17 2019
Location: Cornwall
 Hi all, I have 2014 C4 Picasso 1.6HDI, recently all the warning lights came on, ABS, ESP, service light, Tyre pressures, etc I had it diagnosed and it was a OSR ABS Sensor fault, I changed the sensor, it made no difference, I then checked the wiring to the sensor, this was broken on the swinging arm, I repaired this, still all the lights cam on, I carried out some research and it was suggested that the sensor in the hub may be faulty, so I replaced it, still all the lights are on. The sat nav, cruise control, speed limiter etc are all not working. I have since read that it may be down to a faulty brake light switch, before I change it I was wondering if anyone else had the same problem and how it was rectified. I am getting desperate and I need it sorted as my MOT is in June, any thoughts would be greatly appreciated.
rusky   
Fri May 17 2019, 10:47am
Member No: #27768
Joined: Oct 13 2012
Location: Hove
 It could be a faulty battery.
What fault codes are stored?
031258kevin   
Sun May 26 2019, 05:34am
Member No: #53738
Joined: May 17 2019
Location: Cornwall
 Hi, thanks for your reply, I have fully charged the battery, battery showing 12.9 volts after disconnecting and leaving for 24 hours, the fault code is B1003, I am planning to change the brake light switch next week, this is a link to the brake light page, any help would be appreciated.

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