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DTC › GSC1 GSC1 / 1121 2 variants

An external leakage is detected in the high pressure parts of the fuel supply system.

â–¶ How to fix

Look for gas leakage preferably with a sniffer. This shall be done outdoors. Seal the leakage by replacing pipes, couplings and/or hoses. Check the sensor for highpressure and the gasregulator.

What you'll see

Gas leaks from the system to the atmosphere.

System reaction

Gas Leakage Warning Lamp

Diagnostic depth

Detection

The GSC is indicating too large fluctuations in the high pressure signal.

Possible cause

Small external leakage in the high pressure parts of the fuel supply system.

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