UNIVERSAL · DTC LOOKUP

C0040 — ABS Module Internal Failure

Universal diagnostic code. Below: what it means, common causes, symptoms, and the exact bench-programming fix path.

Common causes

  • •Internal solenoid driver IC failure
  • •EEPROM corruption
  • •Bad capacitor on controller board
  • •Water intrusion damage

Symptoms you'll see

  • •ABS warning light on
  • •Traction control disabled
  • •Stability control disabled
  • •Brake lights may behave oddly

The fix path

ABS Module Repair ($499) — bench-level repair of common driver IC failures + EEPROM corruption. Ship just the electronic module (not the hydraulic block in most cases).

AML services that fix this

Mail in the affected module and we repair it on the bench: about a week on the bench (2–3 business days with rush repair). Flat pricing, flat-rate return shipping at checkout.

Related diagnostic codes

Not sure which service applies?

Text us your year/make/model + which scanner caught the code — we'll tell you exactly which module to ship and which service to pick.