Speed and idle control
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, 2003 Audi A4, and 2002 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
| DTC | Error Message | Diagnostic Procedure | Malfunction Criteria and Threshold Value | Secondary Parameters with Enable Conditions | Monitoring Time Length | Frequency of checks, MIL Illum |
|---|---|---|---|---|---|---|
| P0501 | Vehicle Speed Sensor "A" Range/Performance |
|
Vehicle speed signal-2 mph |
|
4 Sec |
|
| P0506 | Idle Air Control System RPM Lower Than Expected |
|
Idle speed deviation (idle speed too high) and idle controller at max. threshold - 100 RPM | Engine speed, idle Engine load, 37% ULEV::ECT, > 48°C LEV:ECT, > 60°C Purge valve, off Altitude, 2500 m Accelerator Position, 0% Vehicle speed, 0 Mph LEV: Air intake > 0°C | 4 Sec |
|
| P0507 | Idle Air Control System RPM Higher Than Expected |
|
Idle speed deviation (idle speed too high) and idle controller at min. threshold > 200 Rpm | Engine speed, idle Fuel cut off, not active ULEV:ECT, > 48°C LEV:ECT, > 60°C Purge valve, off Altitude, 2500 m Accelerator Position, 0% Vehicle speed, 0 Mph LEV: Air intake > 0°C | 4 Sec |
|