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C6 petrol (ES9A) 2007 cranks but won't start Getting the following fault codes: |
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Watty
 
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  Member No: #3911
Location: IOW |
P0267 Raw code: 0267 ECU: 10 Status: Pending Injector 3 - circuit low ============2============== P0276 Raw code: 0276 ECU: 10 Status: Pending Injector 6 - circuit low ============3============== P0261 Raw code: 0261 ECU: 10 Status: Pending Injector 1 - circuit low ============4============== P0082 Raw code: 0082 ECU: 10 Status: Pending Intake valve control solenoid, bank 2 - circuit low ============5============== P0076 Raw code: 0076 ECU: 10 Status: Pending Intake valve control solenoid, bank 1 - circuit low ============6============== P0477 Raw code: 0477 ECU: 10 Status: Pending Exhaust gas pressure control valve - low input ============7============== P0444 Raw code: 0444 ECU: 10 Status: Pending Evaporative emission (EVAP) canister purge valve - open circuit ============8============== P0270 Raw code: 0270 ECU: 10 Status: Pending Injector 4 - circuit low ============9============== P0264 Raw code: 0264 ECU: 10 Status: Pending Injector 2 - circuit low ============10============== P0273 Raw code: 0273 ECU: 10 Status: Pending Injector 5 - circuit low ============11============== P0267 Raw code: 0267 ECU: 10 Status: Confirmed Injector 3 - circuit low ============12============== P0276 Raw code: 0276 ECU: 10 Status: Confirmed Injector 6 - circuit low ============13============== P0261 Raw code: 0261 ECU: 10 Status: Confirmed Injector 1 - circuit low ============14============== P0270 Raw code: 0270 ECU: 10 Status: Confirmed Injector 4 - circuit low ============15============== P0264 Raw code: 0264 ECU: 10 Status: Confirmed Injector 2 - circuit low ============16============== P0273 Raw code: 0273 ECU: 10 Status: Confirmed Injector 5 - circuit low I noticed on the way home it seemed a bit lumpy, the following morning no start & engine fault light on. Any thought's, ideas, clues as to what is going on? |
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onthecut
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 Member No: #2793
Location: West Mids |
First thing I would check would be the battery voltage and condition, any earthing points you can see and then a look at the state of the pins on the ECU itself. Mike. |
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jamescarruthers
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   Member No: #1548
Location: Cambridge |
Hello fellow petrol owner. Mine ran a bit funny then cut out and wouldn't restart. I am not sure if it is relevant to your posted codes, but my petrol pump had died. It wasn't too hard a job to replace it. | ||
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Watty
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Member No: #3911
Location: IOW |
Well, I've finally sused it, The B-S-M had gone slightly high resisdence, just enough to drop the voltage down to below the various relays pull-in. My advice to anyone with my same issues is to measure the voltage at the fuel pump fuse (F5 on engine fuse box) If it's 10v or less but the battery is 12v+ then you need to either replace it or, if your good with a soldering iron repair it. I took option 1 sourced a replacement on ebay for £130ish & all's well now other than a pong of petrol when starting from cold, mapping perhaps although the replacement was exactly the same numbers. Any thoughts. |
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onthecut
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Member No: #2793
Location: West Mids |
OK -- you can laugh at me, but what does BSM stand for ? I'm guessing it's perhaps the piece that sits on top of the battery ? If so, there seem to be quite a few bits and pieces to it --- what part exactly goes high resistance ? Mike. |
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Watty
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Member No: #3911
Location: IOW |
Sometimes called the BSI (body systems interface) please see link. - Click Here - |
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onthecut
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Member No: #2793
Location: West Mids |
Ah -- that bit !  Interesting that a used one was plug and play. I obtained a new one for a Pug 206 I had and that was a no go without programming it in. Converesely, fitted a brand new one to a C5 X7 we have in the family and that was plug and play. Mike. |
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MGmike
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 Member No: #3151
Location: South Queensferry |
Not the same. BSM = Body Supply Module. The bit with all the fuses and relays under teh bonnet. This is plug and play a BSI isn't. |
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onthecut
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Member No: #2793
Location: West Mids |
Just when I thought I'd got the hang of it ! So -- having looked at the parts list, the bit under the bonnet within the box on the LH side is actually described as the 'engine fuse box', but then the cooling air pipe fitted later on to that box is described as the 'BSM ventilation pipe'. Wouldn't it be great if they managed to be consistent in their own terminology, at least within the same page on the parts list. I guess then that the unit they describe as 'electronic box MUX' that lives under the dash is the BSI, particularly as later on the same page they refer to the 'BSI support'. On the topic, worth noting there are at least six different part numbers for this BSI, so a potential can of worms if replacement required as the car gets older. Also an interesting point -- can a second hand unit be re-programmed to match another car ? Mike. |
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