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Kafas issue aftrer ACC Retrofit
14-04-2024, 18:38 PM,
Post: #1
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Kafas issue aftrer ACC Retrofit
Hi Guys, did F11 ACC retrofit, which worked for a bit untill new winsdcreen installed by owner. Now there is error.
On idrive: Front end collision warning and Cruise control restricted. On diagnostics: 4827BF INTERFACE ACC I tried removed kafas, and cleaned it and widnscreen, i also tried calibrating in ista and taken for a drive, but error comes back. Any ideas? Was working for few weeks with kafas just lossely mounted to windcscreen. Acc radar works, stop/go works but not turning/ kafas functionality like HBA also not working. |
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14-04-2024, 18:55 PM,
(This post was last modified: 14-04-2024, 18:59 PM by Node.)
Post: #2
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RE: Kafas issue aftrer ACC Retrofit
This fault description says:
Information from partner control units is indispensable for the function of the Integrated Chassis Management. The fault code entry is made when the relevant partner control unit (the interface to the Integrated Chassis Management) transmits a substitute value or an identification for the invalidity instead of the required information. In this case, a fault code entry should be made in the relevant partner control unit. So question WHAT fault you have in KAFAS. And are FIRMWARE VERSIONS the same on both units??? |
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15-04-2024, 07:53 AM,
Post: #3
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RE: Kafas issue aftrer ACC Retrofit
Please check FSCs of KAFAS 0x5D, maybe ISTA has killed FSCs, if there have been in none or just fake ones.
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17-04-2024, 09:27 AM,
Post: #4
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RE: Kafas issue aftrer ACC Retrofit
(14-04-2024, 18:55 PM)Node Wrote: This fault description says:Yes istep all matches as i flashed whole car. No faults in KAFAS, just in ICM and ACC ECU: FRR_10 - Active cruise control 48210D -> ACC Premium functional limitation - interface KAFAS ECU: ICM_25 - Integrated chassis management 48278F -> ICM information: Camera-based driver support systems camera ECU: SZL_01 - Switch centre, steering column 030490 -> Steering wheel electronics module (LRE): Missing LIN slave (15-04-2024, 07:53 AM)gt678 Wrote: Please check FSCs of KAFAS 0x5D, maybe ISTA has killed FSCs, if there have been in none or just fake ones. Posibly you might be right, here is kafas FSC information KAFAS2[DiagAddress=93(0x5D)] WBA5L32020D788295 RootCertStatus not available SWSigStatus accepted SWTApplications ---------- KAFAS: AL02 - Speed Limit Info (SLI) / Road sign recognition AppID 126(0x7E) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus rejected FSCCertStatus not available ---------- KAFAS - Fahrzeugerkennung / Vehicle identification AppID 190(0xBE) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available ---------- KAFAS - Fussgaengererkennung / Pedestrian detection AppID 191(0xBF) UpgradeIndex 1(0x01) SWTType SWTclassic light FSCStatus not available FSCCertStatus not available Do you think i need 0xBE? |
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17-04-2024, 09:38 AM,
(This post was last modified: 17-04-2024, 09:42 AM by user_530d.)
Post: #5
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RE: Kafas issue aftrer ACC Retrofit
The build date from car is?
If you have retrofit and coded 5AT or 5DF? ACC only SA5DF don't need KAFAS2 with any FSC. PREMIUM ACC SA5AT need 0xBE and 0xBF. EDIT: ....030490 -> Steering wheel electronics module (LRE): Missing LIN slave... I think you have coded 5AR and dont have "hands on detection" on your steering wheel. If my post helped you hit the thanks and reputation button. Thank you.
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17-04-2024, 10:18 AM,
Post: #6
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RE: Kafas issue aftrer ACC Retrofit
(17-04-2024, 09:38 AM)user_530d Wrote: The build date from car is? 5DF is coded but that gave me full works -> it kept car in lane, self turning etc so not sure what the difference is I Think i need 5AT car is july 2014. |
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17-04-2024, 10:56 AM,
Post: #7
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RE: Kafas issue aftrer ACC Retrofit
(17-04-2024, 10:18 AM)It3_Magic Wrote: 5DF is coded but that gave me full works -> it kept car in lane, self turning etc so not sure what the difference is You don't have any FSC's in your KAFAS2. Without this you can't "... it kept car in lane, self turning etc..." If my post helped you hit the thanks and reputation button. Thank you.
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17-04-2024, 12:08 PM,
Post: #8
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RE: Kafas issue aftrer ACC Retrofit
(17-04-2024, 10:56 AM)user_530d Wrote:(17-04-2024, 10:18 AM)It3_Magic Wrote: 5DF is coded but that gave me full works -> it kept car in lane, self turning etc so not sure what the difference is I believe they must have been cleared by someone who fitted windscreen after i did the retrofit. |
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17-04-2024, 12:46 PM,
Post: #9
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RE: Kafas issue aftrer ACC Retrofit
With normal tools you can't clear.
Only 0x7E was available but now rejected. It is not the right one for your car. You have bought the fsc's for your retrofit? If my post helped you hit the thanks and reputation button. Thank you.
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17-04-2024, 13:00 PM,
Post: #10
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RE: Kafas issue aftrer ACC Retrofit
(17-04-2024, 12:46 PM)user_530d Wrote: With normal tools you can't clear. no just fitted the kafas, never upgraded any fscs, and was working for a few days when i was testing. |
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