Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

00188 VAG - Control Circuit 1; Relay for Supply Voltage Terminal 50

Manufacturer-specific interpretation for VAG. All interpretations of 00188

BatteryOEM

What 00188 means

00188
Control Circuit 1; Relay for Supply Voltage Terminal 50 VAG · battery Data confidence 80%

The control module detected a fault associated with the Control Circuit 1; Relay for Supply Voltage Terminal 50 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: Open or Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Recommended checks

Check Ignition Switch (D) Terminal 50

Applies to Volkswagen

Related and nearby codes

Frequently asked questions about 00188

What does 00188 mean?

Control Circuit 1; Relay for Supply Voltage Terminal 50. The control module detected a fault associated with the Control Circuit 1; Relay for Supply Voltage Terminal 50 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: Open or Short to Plus. Documented across Volkswagen Group applications (Audi, SEAT and Škoda included).

Is 00188 generic or manufacturer-specific?

00188 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 00188 at file level?

Not guaranteed. 00188 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 00188 is removable in your case.

Other file services

ECU tuningStage 1 dyno results for VAG engines See the results →

← Search the full DTC database