Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSAUDI2009A6 BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 23 (4.2L - GENERIC SCAN TOOL, ENGINE CODE(S): BVJ (ST-GENERIC SCAN TOOL))ST - GENERIC SCAN TOOLDIAGNOSTIC MODESDIAGNOSTIC MODE 6 - CHECK TEST RESULTS OF COMPONENTS NOT CONTINUOUSLY MONITOREDOBDMID 33 ($21): CATALYST MONITOR BANK 1
2009 Audi A6 Base
OBDMID 33 ($21): Catalyst Monitor Bank 1
2009 Audi A6 BaseSECTION OBDMID 33 ($21): Catalyst Monitor Bank 1
WARNING: This page is about a different variant/trim than selected.
- Connect the scan tool.
- Start the engine and let run at idle speed.
- Select "Mode 6: Check test the results of components that are not continuously monitored".
Select "OBDMID 33 ($21)".
- Select the desired "Test-ID".
- Check specified values at idle.
| Test-ID (TID) (Hex-ID) | DTC | Component or System | Min. | Max. | Additional Information |
|---|---|---|---|---|---|
| 132 ($84) | P0421 | Conversion Capability (storage) Check. | 4096 | 65535 | Refer to DTC P0421 under Control module and output signals . |
| 133 ($85) | 225 | 65535 | |||
| 136 ($88) | Catalytic converter monitoring, Bank 1, Aging value. | 0 | |||
| 137 ($89) | Catalytic converter monitoring, Bank 1, Aging value, short test 46. | 0 | |||
| 138 ($90) | Catalytic converter monitoring accumulated range error, Bank 1 Aging value. | 0 | |||
| 139 ($91) | Catalytic converter monitoring accumulated error, Bank 1 + Bank 2, Aging value. | 0 |
- If any component or system fails to meet the specified values, refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure.
- Switch the ignition off.
- End of diagnosis.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.