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Antilock Brake Module (ABS)






C212A-17-SYSTEM VOLTAGE HIGH - CIRCUIT VOLTAGE ABOVE THRESHOLD

For a complete wiring diagram, refer to the Wiring Information.

- When Monitored:
Continuous.

- Set Condition:
The Anti-lock Brake System (ABS) Module has detected a high voltage system error and the Totally Integrated Power Module (TIPM) battery voltage CAN message also indicates a high voltage condition.





1. CHARGING SYSTEM DTCs PRESENT
1. Ignition on, engine not running.
2. With the scan tool, read DTCs in the Powertrain Control Module.

Are there any Charging System or related voltage DTCs present?

Yes

- Perform the appropriate Charging System DTC diagnostic procedures before continuing with this test. Testing and Inspection.

No

- Go To 2

2. BATTERY

NOTE: Make sure the Battery is in good condition. Using the Midtronics Battery Tester or an equivalent Battery tester, test the Battery before continuing.

Does the Battery pass the load test for this specific application?

Yes

- Go To 3

No

- Replace the Battery. Battery - Removal.

3. VERIFY THE DTC IS ACTIVE

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

1. Turn the ignition on.
2. With the scan tool, read and record the DTCs.
3. With the scan tool, erase the DTCs.
4. Start the engine.
5. With the scan tool, read and record the DTCs.

Is the DTC active at this time?

Yes

- Replace the Anti-lock Brake System (ABS) Module. Anti-Lock Brake System Module - Removal.
- Perform the ABS VERIFICATION TEST. ABS Verification Test.

No

- Perform the ABS-INTERMITTENT CONDITION TEST. Testing and Inspection.