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.
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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 TROUBLE CODE TABLESSAE P0XXX DTCSCONTROL MODULE AND OUTPUT SIGNALS
2009 Audi A6 Base
Control module and output signals
2009 Audi A6 BaseSECTION Control module and output signals
WARNING: This page is about a different variant/trim than selected.
| DTC | Error Message | Diagnostic Procedure | Malfunction Criteria and Threshold Value | Secondary Parameters with Enable Conditions | Monitoring Time Length | Frequency of checks, MIL Illum |
|---|---|---|---|---|---|---|
| P0601 | Internal Control Module Memory Check Sum Error |
|
Internal check sum, incorrect | Β | 0.5 Seconds |
|
| P0602 | Control Module Programming Error |
|
Reprogramming not completed | Β | 0.5 Seconds |
|
| P0604 | Internal Control Module Random Access Memory (RAM) Error |
|
Write ability check, failed | Β | 0.5 Seconds |
|
| P0606 | ECM/PCM Processor |
|
|
|
10 Seconds 0.2 Seconds 0.5 Seconds |
|
| P0613 | TCM Processor |
|
Check-calculation of 1st CPU failed, Single reset does not cover problem | Β | Β | Β |
| P0614 | ECM/TCM Incompatible |
|
Detection of error signal |
|
250 ms | Β |
| P062B | Injector Valves Communication CPU |
|
Β | Engine speed, >80 RPM | 2 Seconds |
|
| P0638 | Throttle Actuator Control Range/Performance - Bank 1 |
|
|
|
5 Seconds |
|
| P0641 | Sensor Reference Voltage A Circuit/Open |
|
Internal Fault | Β | 0.4 Seconds |
|
| P0642 | Sensor Reference Voltage A Circuit Low |
|
Signal voltage, 4.606-4.998 V | Β | 0.4 Seconds |
|
| P0643 | Sensor Reference Voltage A Circuit High |
|
Signal voltage, >4.998-5.406 V | Β | 0.4 Seconds |
|
| P0651 | Sensor Reference Voltage B Circuit/Open |
|
Internal Fault | Β | 0.4 Seconds |
|
| P0652 | Sensor Reference Voltage B Circuit Low |
|
Signal voltage, 4.606-4.998 V | Β | 0.4 Seconds |
|
| P0653 | Sensor Reference Voltage B Circuit High |
|
Signal voltage, >4.998-5.406 V | Β | 0.4 Seconds |
|
| P0657 | Actuator Supply Voltage A Circuit/Open |
|
Signal voltage, > 4.4-5.6 V |
|
0.5 Seconds |
|
| P0658 | Actuator Supply Voltage A Circuit Low |
|
Signal voltage, 2.15-3.25 V |
|
0.5 Seconds |
|
| P0659 | Actuator Supply Voltage "A" Circuit High |
|
Signal current >1.1 A |
|
0.5 Seconds |
|
| P0685 | ECM/PCM Power Relay Control Circuit/Open |
|
|
|
0.5 Seconds |
|
| P0686 | ECM/PCM Power Relay Control Circuit Low |
|
|
|
0.5 Seconds |
|
| P0687 | ECM/PCM Power Relay Control Circuit High |
|
|
|
0.5 Seconds |
|
| P0688 | ECM/PCM Power Relay Sense Circuit |
|
|
|
1 Second 0.5 Seconds |
|
| P0697 | Sensor Reference Voltage C Circuit/Open |
|
Internal Fault | Β | 0.4 Seconds |
|
| P0698 | Sensor Reference Voltage C Circuit Low |
|
Signal voltage, 4.606-4.998 V | Β | 0.4 Seconds |
|
| P0699 | Sensor Reference Voltage C Circuit High |
|
Signal voltage, >4.998-5.406 V | Β | 0.4 Seconds |
|
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.