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Home >> Volkswagen >> 2012 >> Routan S >> Repair and Diagnosis >> Engine Performance >> System >> Brake System DTC Based Diagnostics (C0021 - U1503) >> 00 General, Technical Data >> Diagnosis And Testing >> C2200 - Anti Lock Brake Module Internal
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C2200 - Anti Lock Brake Module Internal

Fig 1: Anti Lock Brake Module Wiring Diagram
GWWUS71905Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

For a complete wiring diagram, refer to appropriate Wiring Diagram.

Possible Causes
WIRING HARNESS, TERMINAL, CONNECTOR DAMAGE
FUSED B+ CIRCUIT SHORT TO GROUND, VOLTAGE, OR OPEN
GROUND CIRCUITS OPEN
ANTI LOCK BRAKE MODULE

Test Step 1 - Test for A DTC C2200 - Anti Lock Brake Module Internal 

NOTE:

This DTC must be active for the results of this test to be valid.

Does the scan tool display C2200 - Anti Lock Brake Module Internal?

Yes

No

Test Step 2 - Test the Wiring Harness, Terminals, and Connectors 

Were any problems found?

Yes

No

Test Step 3 - Fused B + Circuit Open or High Resistance 

Fig 2: Identifying Anti Lock Brake Module Harness Connector
GWWUS71907Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
NOTE:

The test lamp should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

Is the test lamp illuminated and bright?

Yes

No

Test Step 4 - Ground Circuit Open or High Resistance 

Fig 3: Identifying Anti Lock Brake Module Harness Connector
GWWUS71901Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
NOTE:

The test lamp should be illuminated and bright. Compare the brightness to that of a direct connection to the battery.

Is the test lamp illuminated and bright?

Yes

No