Bentley From the original 3 Litre to the current Continental GT and Mulsanne

OBD code issue P1924

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Old Feb 19, 2015 | 12:32 PM
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OBD code issue P1924

I decided to put the VAS on the GT today having been on a weeks driving holiday after I got it tuned.


The 2 fault codes I have are P1924 for engine ecu bank 1 Control Module Pin Coding Implausible signal/ intermittent


And


014 Air quality sensor G238 Faulty / intermittent.



I'm not too bothered about the air quality sensor atm but the control module has me wondering ?


I've read out the codes, logged them and cleared them and both have cleared.


What sort of pees me off is that's all I can find out about the P1924 code. I cant find any reference to OBD fault codes in the Bently IETIS system ...........is that correct or am I missing a trick .


Also I thought the VAS5054A would have had a bit more about the P1924 code but I used the diagnostic / fault finding part of it and came up with very little just that it had occurred and was intermittent.


Can any one help fill me on better fault finding techniques . Its not the fact I had the P1924 code as I suspect when the ecu's were removed to be re-mapped/ data changed then some thing might have had to be done to the pin coding to get into it..........its the fact I can find extra information on the fault.


thanks,
Frank
 

Last edited by Frank ( Sunnyside ); Feb 19, 2015 at 02:49 PM.
Old Feb 27, 2015 | 01:21 PM
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the fault codes are all on a diagnostic disc, wt 3000 is part number (recheck prefix), did you have something done with the ECM to get more HP because there might be your issue. All depends on version software u are running in Vas but if you go into Vehicle Self Diag and you can get all your MVB (measured value blocks) up and see what is going on live, there is a list of the MVB but do not have to it hand, are you in contact with PMS because i had same questions from him.
 
Old Feb 27, 2015 | 02:02 PM
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Originally Posted by bentleytech
the fault codes are all on a diagnostic disc, wt 3000 is part number (recheck prefix), did you have something done with the ECM to get more HP because there might be your issue. All depends on version software u are running in Vas but if you go into Vehicle Self Diag and you can get all your MVB (measured value blocks) up and see what is going on live, there is a list of the MVB but do not have to it hand, are you in contact with PMS because i had same questions from him.

Thanks, Yes we are chatting by e-mail. Were in Fuerteventura atm and I'm having e-mail issues so haven't been able to chat with him for a few days now.
The extra power did come from a rework of both ecu's and the chap did say he had to modify the code to get into the ecu's. I thought it might have been something like that.
As to MVB's I will have a play next time I have the car out, thanks.
 
Old Nov 13, 2025 | 12:18 AM
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TechnicianHamid

Originally Posted by Frank ( Sunnyside )
I decided to put the VAS on the GT today having been on a weeks driving holiday after I got it tuned.


The 2 fault codes I have are P1924 for engine ecu bank 1 Control Module Pin Coding Implausible signal/ intermittent


And


014 Air quality sensor G238 Faulty / intermittent.



I'm not too bothered about the air quality sensor atm but the control module has me wondering ?


I've read out the codes, logged them and cleared them and both have cleared.


What sort of pees me off is that's all I can find out about the P1924 code. I cant find any reference to OBD fault codes in the Bently IETIS system ...........is that correct or am I missing a trick .


Also I thought the VAS5054A would have had a bit more about the P1924 code but I used the diagnostic / fault finding part of it and came up with very little just that it had occurred and was intermittent.


Can any one help fill me on better fault finding techniques . Its not the fact I had the P1924 code as I suspect when the ecu's were removed to be re-mapped/ data changed then some thing might have had to be done to the pin coding to get into it..........its the fact I can find extra information on the fault.


thanks,
Frank
Hi Frank,

Could you please share your experience regarding DTC P192400? I’m facing a similar issue with the following fault description: “Control Module Pin Coding – Implausible Signal / Mechanical Malfunction” on a Bentley W12 engine.

The engine is cranking but not starting. I’m unsure whether this fault points to a problem with the ECM itself or possibly a wiring issue.

Please see the attached files for reference. Your input would be highly appreciated.
Hamid



 
Old Nov 13, 2025 | 04:13 PM
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Old Nov 13, 2025 | 04:24 PM
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Hello @only4u_sindi@hotm ,
Welcome to 6speedonline !

Check out https://forums.ross-tech.com/index.php?threads/40476/ while we wait for@Frank ( Sunnyside ) to respond.

Johnny
 
Old Nov 14, 2025 | 02:53 AM
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Originally Posted by only4u_sindi@hotm
Hi Frank,

Could you please share your experience regarding DTC P192400? I’m facing a similar issue with the following fault description: “Control Module Pin Coding – Implausible Signal / Mechanical Malfunction” on a Bentley W12 engine.

The engine is cranking but not starting. I’m unsure whether this fault points to a problem with the ECM itself or possibly a wiring issue.

Please see the attached files for reference. Your input would be highly appreciated.
Hamid


Hi. Good morning.
Sorry about the delay. I dont get on here as much as I would like. Im concentrating on geting ready for my hip replacments. I havent worked on my GT time attack car for weeks.
As to the code you have mentioned tbh I cant remember a thing about it.
I will have a think and stress the grey cells and get back.
 
Old Nov 15, 2025 | 05:13 AM
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Right.
I have had a good think back. It was a long tijdxago....10 years. Iirc all i has was the code. It didnt affect the starting or running. I must have cleared the cade with VASPC and never thought about it again.
sorty if that isnt much help.
Frank.
 
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