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ACC, Adaptive cruise, start-stop, adaptive light FAULT!

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Old 07-29-2023, 01:23 AM
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Default ACC, Adaptive cruise, start-stop, adaptive light FAULT!

Hello,

I have a Audi A6 2012 with some errors, there is some messages showing in the car. I have read only headlight unit and adaptive cruise control unit with VCDS and I will attach the fault codes also.

Fault messages in the car:
- Distance warning is showing red
- ACC and Audi braking guard: not available
- Start-stop system: system fault! Function unavailable
- Audi adaptive light: system fault!

Also Lane Assist is not working but I guess it have with ACC and distance warning to do.

HEADLIGHT FAULT CODE:
572171 - Stationary Cornering Lamp Left
C1083 13 [008] - Open Circuit
Intermittent - Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 2
Fault Frequency: 34
Reset counter: 254
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:09
ADAPTIVE CRUISE CONTROL FAULT CODE:
8448 - Internal Fault
B200F F0 [025] - Unknown Error Elaboration
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Not Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 1
Fault Frequency: 1
Mileage: 185264 km
Date: 2023.03.23
Time: 09:28:16

Control Module temperature: 21 ∞C
Voltage terminal 15: 14.852 V
Velocity_vehicle_reference: 4.88 m/s
Longitudinal_acceleration_vehicle_reference: -0.25 m/s≤

94720 - Function Restriction due to Faults in Other Modules
U1113 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.499 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

94976 - Function Restriction due to Faults in Other Modules
U1113 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.499 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

95232 - Function Restriction due to Faults in Other Modules
U1113 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.499 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

95488 - Function Restriction due to Faults in Other Modules
U1113 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.499 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

77312 - Function Restricted due to Missing Message(s)
U1111 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.493 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

77568 - Function Restricted due to Missing Message(s)
U1111 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 1
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:37

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.488 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤

82688 - Function Restriction due to Faults in Other Modules
U1113 00 [009] - -
[New feature! Extended UDS fault detail is only supported by current gen. interfaces]
Confirmed - Tested Since Memory Clear
Freeze Frame:
Fault Status: 00000001
Fault Priority: 6
Fault Frequency: 71
Reset counter: 214
Mileage: 188834 km
Date: 2023.06.20
Time: 12:52:36

Control Module temperature: 36 ∞C
Voltage terminal 15: 11.499 V
Velocity_vehicle_reference: -0.00 m/s
Longitudinal_acceleration_vehicle_reference: 0.00 m/s≤
Old 07-29-2023, 01:41 AM
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How old/what is the condition go of the battery? Multiple random error messages is often an indication of a battery starting to fail. On the VCDS print out you attached all the voltages are less than 11.5v. I am no expert but I would have expected them to be over 12v
Old 07-29-2023, 01:48 AM
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I'm also no expert but yes I heard also it should be over 12V but even when I erase fault codes they funcitons still not working. Start-stop maybe is cause of battery but other fault should not be cause battery.

About the Audi Adaptive Light, I just maked some research and I think I must change just the light for curving.
Old 07-29-2023, 02:17 AM
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I did also enter 09 Cent. Elect. module and got this fault code:

01319 - Control Module for Distance Control (J428)
004 - No Signal/Communication
Freeze Frame:
Fault Status: 01100100
Fault Priority: 6
Fault Frequency: 1
Reset counter: 199
Mileage: 188834 km
Time Indication: 0
Date: 2023.06.20
Time: 12:51:00
Old 07-29-2023, 03:14 AM
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Originally Posted by CyrusRNetWork
I'm also no expert but yes I heard also it should be over 12V but even when I erase fault codes they funcitons still not working. Start-stop maybe is cause of battery but other fault should not be cause battery.

About the Audi Adaptive Light, I just maked some research and I think I must change just the light for curving.
I would disagree on that. Modern cars are very sensitive to voltage and sudden random errors with no real cause are often down to battery condition. Clearing the faults without doing anything else will not make the fault go away. If the battery is more tan 3 years old I would suggest changing it as first step
Old 07-29-2023, 05:12 AM
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Based on my experience, deviations in battery voltage can play havoc with the systems in our cars.
Old 07-29-2023, 05:47 AM
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Originally Posted by KevinGary
Based on my experience, deviations in battery voltage can play havoc with the systems in our cars.
I will test battery condition. Otherwise what can it be?
Old 07-30-2023, 01:43 AM
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Originally Posted by KevinGary
Based on my experience, deviations in battery voltage can play havoc with the systems in our cars.
i did run a battery test with my autel and result is:

SOC: 36%
volt: 12.13 v
Old 07-30-2023, 02:50 AM
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Looks low. The battery is only 36% charged and the voltage should be slightly over 12.5v for a battery in prime condition. Depending not he age of the battery I would either put it on a charger for at least 12 hours (if less than 3 years old) or replace (if over 3 years old)
Old 08-02-2023, 06:51 AM
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Hi

Last edited by T-CUT; 08-02-2023 at 06:54 AM.


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