DTC 10

DTC 010: Buss Off

Part 1:

Part 2:

CAUTION:
- If DTC 010 is set in the multi-center display unit (middle grade type), always diagnose the CAN bus lines.
- Before replacing the multi-center display unit (middle grade type), ensure that the power supply circuit and the ground circuit are normal.

CIRCUIT OPERATION
The multi-center display unit (middle grade type) is linked to CAN communication lines to communicate with the combination meter and the powertrain control module, both of which have a terminator resistor.

DTC SET CONDITION
If the multi-center display ceases communicating once (i.e. bus off) and then returns to it, the multi-center display will not communicate for three minutes immediately after that point. This three-minute period is called "Penalty mode." Immediately after the multi-center display returns to communication, the DTC is set.

TECHNICAL DESCRIPTION (COMMENT)
The CAN bus line wiring harness, connector(s), or the multi-center display unit (middle grade type) may be defective.

TROUBLESHOOTING HINTS
- The wiring harness or connectors may have loose, corroded, or damaged terminals, or terminals pushed back in the connector.
- Malfunction of multi-center display unit (middle grade type)

DIAGNOSIS

Required Special Tools:
- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: Vehicle Communication Interface (V.C.I.)
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A (Vehicles with CAN communication system)

STEP 1. Using scan tool MB991958, diagnose the CAN bus line.
Use scan tool MB991958 to diagnose the CAN bus lines.







1. Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to "ON" position.
3. Diagnose the CAN bus line.

Q: Is the check result satisfactory?

YES : Go to Step 2.

NO : Repair the CAN bus lines. On completion, go to step 3.

STEP 2. Recheck for diagnostic trouble code.

Recheck if the DTC is set.

1. Erase the DTC.
2. Turn the ignition switch to "ON" position.
3. Check if the DTC is set.

Q: Is the DTC set?

YES : Replace combination meter and then go to step 3.

NO : Intermittent malfunction is suspected.

STEP 3. Recheck for diagnostic trouble code.

Recheck if the DTC is set.

1. Erase the DTC.
2. Turn the ignition switch to "ON" position.
3. Check if the DTC is set.

Q: Is the DTC set?

YES : Go to Step 1.

NO : The procedure is complete.