BB2 Brake Pressure Switch Circuit Resistance Check

^ Using an ohmmeter, measure resistance from Pin 7 (Circuit 636) and Pin 40 (Circuit 430G).

^ Is ohmmeter reading greater than 10,000 ohms?

YES -- REPLACE air suspension control module and CONNECT to vehicle wiring harness. REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes

No -- Go to BB3.