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TuningBot DTC Database · v4.37.15

00668 Supply Voltage Terminal 30

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

BatteryOEM
Brand pages:VAG

VAG

1 interpretation
00668
Supply Voltage Terminal 30 VAG · battery Data confidence 80%

The control module detected a fault associated with the Supply Voltage Terminal 30 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Implausible Signal; Signal Outside Specifications. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Possible causes

  • Fuse(s) faulty
  • Wiring/Connectors from/to Control Module faulty
  • Power Supply (Battery/Generator) faulty

Recommended checks

  • Check Fuse(s)
  • Check Wiring/Connectors from/to Control Module
  • Check Power Supply (Battery/Generator)
Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 00668

What does 00668 mean?

Supply Voltage Terminal 30. The control module detected a fault associated with the Supply Voltage Terminal 30 circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen. Documented stored variants include: Implausible Signal; Signal Outside Specifications. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Is 00668 generic or manufacturer-specific?

00668 is a manufacturer-specific code. In this database it is documented for: VAG. The same number can mean something different on other brands.

Can TuningBot remove 00668 at file level?

Not guaranteed. 00668 is a manufacturer-specific code in an OEM format, so removability depends on the specific control unit and how the fault is implemented - some can be handled, some cannot. Ask for a quote and our engineers will check your file and tell you, free of charge, whether 00668 is removable in your case.

Other file services

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