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Home >> Audi >> 2001 >> A4 Base, 1.8 C, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 1.8L Turbo >> Self-Diagnostic System >> Retrieving Diagnostic Trouble Codes >> Notes

Retrieving Diagnostic Trouble Codes: Notes

NOTE: Check engine timing and fuel pump relay fuses in fuse box. Ensure battery voltage is 12.7 volts or more. Ground connections at engine and transmission are okay. See WIRING DIAGRAMS article.
NOTE: While limited diagnostic information is available, vehicle manufacturer does not support diagnostic information using aftermarket scan tools. To properly diagnose vehicle, it is recommended to use VAS 5051 scan tool with VAS 5051/1 adapter cable or VAG 1551 scan tool with 1551/3A adapter cable and VAG 1598/31 test box.
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