DTC C1805 [ABS]

id0402a7802100

DTC | C1805 | Incorrect ABS HU/CM installed
DETECTION CONDITION | • The programmed vehicle information and the data received from the CAN do not correspond.
POSSIBLE CAUSE | • The correct ABS HU/CM is not installed.

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY THAT THE CORRECT ABS HU/CM IS INSTALLED • Verify the part number of the ABS HU/CM. • Is the part number correct? | Yes | Go to the next step.
No | After replacing the ABS, go to Step 3. (See ABS HU/CM REMOVAL/INSTALLATION.)
2 | PERFORM CONFIGURATION • Was configuration performed normally? | Yes | Go to the next step.
No | Replace the ABS HU/CM, then go to the next step. (See ABS HU/CM REMOVAL/INSTALLATION.)
3 | VERIFY DTC TROUBLESHOOTING COMPLETED • Make sure to reconnect all disconnected connectors. • Clear the DTC from the memory. (See ON-BOARD DIAGNOSIS [ABS].) • Is the same DTC present? | Yes | Repeat the inspection from Step 1. If the malfunction recurs, replace the ABS HU/CM, then go to the next step. (See ABS HU/CM REMOVAL/INSTALLATION.)
No | Go to the next step.
4 | VERIFY AFTER REPAIR PROCEDURE • Are any other DTCs present? | Yes | Go to the applicable DTC inspection. (See ON-BOARD DIAGNOSIS [ABS].)
No | DTC troubleshooting completed.