I so love the look and drive of my 2023 DS7 e-Tense Opera 4x4, but it is now really testing my patience to the point where I think I may have to get rid of it- feels like it just forever spends its time in and out of the garage (to be fair, our local DS dealer in Hemel has been amazing trying to help and support).
Last week, whilst on the motorway, every possible warning light came on, along with 7 fault warnings. Called the RAC out, who plugged it in and unravelled a whole host of errors. Literally all safety features had been disabled and were throwing up errors. Frustatingly they would not recover the car to DS because it still drove, but also noted that i must not drive on a motorway. Tried to argue that if it’s not safe to drive on a motorway, it’s not safe to drive full stop, but still refused to rescue the car (this was logged through DS Assistance). Take a look at this lengthy diagnostic report RAC shared; it’s pretty impressive!!
Comment from patrol
Please note any diagnosis made by our patrols is a suspected diagnosis and therefore should be verified by your repairing garage prior to any work being completed, or parts being ordered (if applicable)
- roa various warning messages on dash abs, esp, traction control ect
- attended vehicle
- read codes and several codes present for communications faults between the ecus
- called tech desk and they advised the central computer on the can network (gateway for coms) has likely become corrupted and so different systems are unable to communicate with each other but are working as it still drives - test drove
- there is a fault on the system so the car will have deactivated the driver assistance systems, drive to the dealer as you would an old vehicle that does not have abs, esp, lane assist front assist and so on, leave extra stopping distance and brake slowly, drive their via back roads do not join the motorway
Technical details
Diagnostic codes
ELECTRO DRIVE
- Name:REAR ELECTRIC DRIVE MACHINE
- DTC:P306E,Rear electric drive machine ECU - Not characterized , Intermittent,
- DTC:U0167,Communication with the BSI on request for unlocking of the engine management ECU - Missing information , Intermittent,
- DTC:U0594,No communication with the hybrid drive train supervisor ECU - Invalid data received , Permanent,
ELECTRO DRIVE
- Name:ELECTRICAL ENGINE
- DTC:U0167,CAN: BSI communication fault - Missing information , Intermittent,
ELECTRO DRIVE
- Name:HYBRID DRIVE TRAIN SUPERVISOR ECU
- DTC:U1213,Dynamic stability control ECU on the CAN network - Invalid data received , Permanent,
ELECTRO DRIVE
- Name:ON-BOARD CHARGER
- DTC:P12F3,On-board charger/direct voltage transformer assembly internal alternating current sensor electrical circuit - Voltage too low , Intermittent,
- DTC:C401,unknown
ENGINE SYSTEM TEST/VALUES
- Name:5GB - MG1CS042_PHEV 5GF - MG1CS042 5GG - MG1CS042
- DTC:P108E,View the ABS/ESP ECU fault codes - Electrical fault , Permanent,
- DTC:P1AC0,Uncoupling of the rear electric drive machine dog clutch - Malfunction , Permanent,
- DTC:U1213,ECU ABS/ESP - Can network , Invalid data received, Permanent
- DTC:P1632,Engine Control unit - Internal fault , Intermittent,
GEARBOX
- Name:GEARBOX - EATN8
- DTC:U1406,Can network - FlexRay , Internal fault, Intermittent
- DTC:U0415,CAN: Communication ESP - High speed CAN1 , Invalid data received, Permanent
GEARBOX
- Name:GEARBOX - ATN8/AMN8
- DTC:U0415,CAN communication with (ESP) - Not characterized , Intermittent,
- DTC:U0415,CAN communication with (ESP) - incorrectly received , Permanent,
- DTC:D406,unknown
BRAKES
- Name:ANTILOCK BRAKING SYSTEM - ANTILOCK BRAKING SYSTEM (ABS)
- DTC:4513,unknown
SUSPENSION
- Name:VARIABLE DAMPING SUSPENSION ECU
- DTC:D105,unknown
STEERING
- Name:POWER STEERING
- DTC:U1213,Fault in communication between the electric power steering ECU and the ABS/ESP ECU - Permanent , ,
CHASSIS
- Name:MOTORISED TAILGATE
- DTC:B100C,Motorised boot ECU supply fault - Supply voltage too low , Intermittent,
- DTC:B100C,Motorised boot ECU supply fault - Supply voltage too high , Intermittent,
- DTC:B1747,Motorised tailgate initialisation fault (loss of the motorised boot ECU supply or position of the motorised tailgate not coherent) - Intermittent , ,
- DTC:B174F,Motorised tailgate lock closing to first notch status switch signal fault - Short circuit to positive or open circuit , Intermittent,
- DTC:B1752,Motorised tailgate left-hand gas strut motor control fault - Intermittent , ,
- DTC:B1753,Motorised tailgate right-hand gas strut motor control fault - Intermittent , ,
- DTC:U1F00,Fault event not stored in the faults log - Permanent , ,
DOOR MODULE
- Name:DRIVER DOOR MODULE
- DTC:U1F00,Fault not recorded in the BSI faults log - No additional info , Permanent,
- DTC:B1391,Front left electric window motor - Supply voltage too low , Intermittent,
- DTC:B1392,Front right electric window motor - Supply voltage too low , Intermittent,
- DTC:B1393,Rear left electric window motor - Supply voltage too low , Intermittent,
- DTC:9394,unknown
AIRBAG ELECTRONICS (SRS)
- Name:SRS
- DTC:B0028,Front right side air bag line - Resistance too high , Temporary,
- DTC:B00B5,Driver seat position sensor - Open circuit , Temporary,
- DTC:B0079,Driver lap strap pretensioner - Resistance too high , Temporary,
- DTC:U1F00,Fault event not stored in the faults log - No additional information , Permanent,
TELEMATIC
- Name:TELEMATIC UNIT/AUDIO NAVIGATION
- DTC:B153C,NAC audio-navigation or RCC connected audio system fan - Not characterized , Intermittent,
- DTC:U1EF5,Downloading of the software - Not characterized , Intermittent,
- DTC:D476,unknown
STEERING WHEEL ELECTRONICS
- Name:STEERING WHEEL ELECTRONICS
- DTC:U1F1A,Fault with transmission by the top-of-column on the LIN - Not characterized , Intermittent,
STEERING WHEEL ELECTRONICS
- Name:STEERING WHEEL STALKS
- DTC:U1F00,Fault event not stored in the faults log - Not characterized , Permanent,
INSTRUMENT PANEL
- Name:TOUCHSCREEN
- DTC:B1574,Touch Screen Display Module - General memory failure , Intermittent,
- DTC:B1576,Touch screen: Secure configuration fault - Missing calibration , Permanent,
- DTC:U1FA0,LVDS (Low voltage differential signalling) response time incorrect - No additional info , Intermittent,
WINDSCREEN WIPERS
- Name:WINDSCREEN WIPER
- DTC:U1F03,No communication with BSI - No additional information , Intermittent,
DRIVER ASSISTANCE SYSTEM
- Name:PARKING AID
- DTC:U1F00,Fault event not stored in the faults log - Not characterized , Permanent,
DRIVER ASSISTANCE SYSTEM
- Name:MULTIFUNCTION VIDEO CAMERA
- DTC:U1208,Engine control unit; communication faulty - Not characterized , Temporary,
- DTC:U1F00,Fault event not stored in the faults log - Temporary , ,
- DTC:U1213,CAN: Communication ESP - Signal received not valid or out of range , Permanent,
- DTC:U1108,Engine control unit; communication faulty - No communication , Temporary,
DRIVER ASSISTANCE SYSTEM
- Name:DISTANCE ALERT RADAR
- DTC:U1213,Fault in the information transmitted by the ABS/ESP ECU - Invalid data received , Permanent,
- DTC:U1F00,Fault event not stored in the faults log - Intermittent , ,
- DTC:B1213,Deterioration of the performance of the remote detection by laser following an obstruction or an internal failure - Intermittent , ,
- DTC:B12A8,Data from the emergency collision braking function read by the ESP ECU - Permanent , ,
- DTC:B12A9,Data from the adapted cruise control read by the ESP ECU - Permanent , ,
- DTC:B12A7,Data from the adapted cruise control read by the engine management ECU - Intermittent , ,
Garage are replacing, as they can’t rule out any other issues until the battery is replaced.