DTC: U0100-00, U0122-00, U0131-00, U0151-00 (Adaptive Damper Control Unit)
DTC U0100-00 : F-CAN Communication With PCM/TCM Malfunction DTC U0122-00 : F-CAN Communication With VSA Modulator-Control Unit Malfunction DTC U0131-00 : F-CAN Communication With EPS Malfunction DTC U0151-00 : F-CAN Communication With SRS Malfunction
NOTE:
- Before you troubleshoot, review the general troubleshooting information .
- Refer to the DTC code shown on the display, and then inspect the connectors and terminals based on the instructions in the table below.
- The DTC may be stored due to loss of voltage supply or ground at the transmitting control unit. Verify voltage supply and ground are OK on the control unit related to the specific code before following this troubleshooting.
| DTC Description | DTC |
|---|---|
| U0100-00 F-CAN Communication With PCM/TCM Malfunction | |
| U0122-00 F-CAN Communication With VSA Modulator-Control Unit Malfunction | |
| U0131-00 F-CAN Communication With EPS Malfunction | |
| U0151-00 F-CAN Communication With SRS Malfunction |
DTC (Adaptive Damper System)
- Problem verification
-1. Turn the vehicle to the ON mode.
-2. Clear the DTC with the HDS.
-3. Turn the vehicle to the OFF (LOCK) mode, then to the ON mode.
-4. Wait for 60 seconds or more.
-5. Check for DTCs with the HDS.
DTC Description DTC Freeze Frame U0100-00 F-CAN Communication With PCM/TCM Malfunction U0122-00 F-CAN Communication With VSA Modulator-Control Unit Malfunction U0131-00 F-CAN Communication With EPS Malfunction U0151-00 F-CAN Communication With SRS Malfunction Is DTC U0100-00, U0122-00, U0131-00, or U0151-00 indicated?
YES
The failure is duplicated. Go to step 2.
NO
Intermittent failure, the system is OK at this time. Refer to intermittent failures troubleshooting .
- CAN gateway system DTC check
-1. Check for CAN gateway system DTCs with the HDS.
DTC Description DTC DTC (CAN gateway)
Is DTC indicated?
YES
Go to indicated DTC's troubleshooting .
NO
Go to step 3.
- F-CAN circuit communication check (Receiving control unit)
-1. Select the FUNCTION TEST in the CAN gateway with the HDS, then select the F-CAN Bus Connected Unit Check.
F-CAN Bus Connected Unit Check
Which result is indicated?
Bus A is Not Available (A/T)
Go to step 4.
Bus B is Not Available (CVT)
Go to step 5.
Bus A or B is Available
Go to step 6.
- Open wire check (F-CAN A_H line, F-CAN A_L line) (A/T)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connectors.
CAN gateway 16P connector Adaptive damper control unit 24P connector -3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode CAN gateway 16P connector: disconnected Adaptive damper control unit 24P connector: disconnected Test point 1 CAN gateway 16P connector (female terminals) No. 3: Test point 2 Adaptive damper control unit 24P connector No. 19 Test point 1 CAN gateway 16P connector (female terminals) No. 11: Test point 2 Adaptive damper control unit 24P connector No. 20 Is there continuity?
YES
The F-CAN A_H wire and the F-CAN A_L wire are OK. Check for poor connections or loose terminals at the CAN gateway and the adaptive damper control unit. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the adaptive damper control unit .
NO
Repair an open in the wire between the CAN gateway and the adaptive damper control unit.
- Open wire check (F-CAN B_H line, F-CAN B_L line) (CVT)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. Disconnect the following connectors.
CAN gateway 16P connector Adaptive damper control unit 24P connector -3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode CAN gateway 16P connector: disconnected Adaptive damper control unit 24P connector: disconnected Test point 1 CAN gateway 16P connector (female terminals) No. 6: Test point 2 Adaptive damper control unit 24P connector No. 19 Test point 1 CAN gateway 16P connector (female terminals) No. 14: Test point 2 Adaptive damper control unit 24P connector No. 20 Is there continuity?
YES
The F-CAN B_H wire and the F-CAN B_L wire are OK. Check for poor connections or loose terminals at the CAN gateway and the adaptive damper control unit. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting, or replace the adaptive damper control unit .
NO
Repair an open in the wire between the CAN gateway and the adaptive damper control unit.
- F-CAN circuit communication check (Transmitting control unit)
-1. Select the FUNCTION TEST in the CAN gateway with the HDS, then select the F-CAN Bus Connected Unit Check.
F-CAN Bus Connected Unit Check
According to the detected DTC on the following table, make sure that the transmitting control unit detects the CAN gateway Bus channel (s) normally.
DTC Transmitting Control Unit Detected CAN gateway Bus channel (s) at normal U0100-00 *1 PCM A, D U0100-00 *2 PCM A, B U0122-00 VSA modulator-control unit A, B DTC Transmitting Control Unit Detected CAN gateway U0131-00 EPS control unit B U0151-00 SRS unit B *1: A/T
*2: CVT
Is it detected normally?
Detected normal
Intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the transmitting control unit and the CAN gateway.
U0100-00: PCM is Not Available for Bus A
Go to step 7.
U0100-00: PCM is Not Available for Bus B
Go to step 8.
U0100-00: PCM is Not Available for Bus D
Go to step 9.
U0122-00: VSA modulator-control unit is Not Available for Bus A
Go to step 7.
U0122-00: VSA modulator-control unit is Not Available for Bus B
Go to step 8.
U0131-00: EPS control unit is Not Available for Bus B
Go to step 8.
U0151-00: SRS unit is Not Available for Bus B
Go to step 8.
- Open wire check (F-CAN A_H line, F-CAN A_L line)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. According to the detected DTC on the following table, disconnect the transmitting control unit connector (s).
DTC Connector CAN gateway 16P connector U0100-00 PCM connector A (50P) U0122-00 VSA modulator-control unit 46P connector NOTE: Before disconnecting the PCM connector, jump the SCS line with the HDS, and wait for more than 1 minute.
-3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode CAN gateway 16P connector: disconnected Transmitting control unit connector (s) for indicated DTCs: disconnected DTC Circuit Name Test point 1 (Receiving control unit) Test point 2 (Transmitting control unit) Connector Terminal Connector Terminal U0100-00 F-CAN A_H CAN gateway 16P connector (female terminals): No. 3 PCM connector A (50P) No. 37 F-CAN A_L No. 11 No. 36 U0122-00 F-CAN A_H CAN gateway 16P connector (female terminals): No. 3 VSA modulator-control unit 46P connector No. 20 F-CAN A_L No. 11 No. 21 Is there continuity?
YES
The F-CAN A_H and F-CAN A_L wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.
DTC Transmitting Control Unit U0100-00 PCM U0122-00 VSA modulator-control unit NO
Repair an open in the wire between the receiving control unit and the transmitting control unit.
- Open wire check (F-CAN B_H line, F-CAN B_L line)
-1. Turn the vehicle to the OFF (LOCK) mode.
According to the detected DTC on the following table, disconnect the transmitting control unit connector (s).
DTC Connector CAN gateway 16P connector U0100-00 PCM connector A (50P) U0122-00 VSA modulator-control unit 46P connector U0131-00 EPS control unit connector B (6P) U0151-00 SRS unit connector A (43P) NOTE:
- Jump the SCS line with the HDS, and wait more than 1 minute when disconnecting the PCM connector.
- Before disconnecting the SRS unit connector, do the 12 volt battery terminal disconnection procedure and wait for at least 3 minutes.
-3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode CAN gateway 16P connector: disconnected Transmitting control unit connector (s) for indicated DTCs: disconnected DTC Circuit Name Test point 1 (Receiving control unit) Test point 2 (Transmitting control unit) Connector Terminal Connector Terminal U0100-00 F-CAN B_H CAN gateway 16P connector (female terminals): No. 6 PCM connector A (50P) No. 39 F-CAN B_L No. 14 No. 38 U0122-00 F-CAN B_H CAN gateway 16P connector (female terminals): No. 6 VSA modulator-control unit 46P connector No. 24 F-CAN B_L No. 14 No. 25 U0131-00 F-CAN B_H CAN gateway 16P connector (female terminals): No. 6 EPS control unit connector B (6P) No. 4 F-CAN B_L No. 14 No. 1 U0151-00 F-CAN B_H CAN gateway 16P connector (female terminals): No. 6 SRS unit connector A (43P) No. 16 F-CAN B_L No. 14 No. 17 Is there continuity?
YES
The F-CAN B_H and F-CAN B_L wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.
DTC Transmitting Control Unit U0100-00 PCM U0122-00 VSA modulator-control unit U0131-00 Steering gearbox U0151-00 SRS unit NO
Repair an open in the wire between the receiving control unit and the transmitting control unit.
- Open wire check (F-CAN D_H line, F-CAN D_L line)
-1. Turn the vehicle to the OFF (LOCK) mode.
-2. According to the detected DTC on the following table, disconnect the transmitting control unit connector (s).
DTC Connector CAN gateway 16P connector U0100-00 PCM connector A (50P) NOTE: Jump the SCS line with the HDS, and wait more than 1 minute when disconnecting the PCM connector.
-3. Check for continuity between test points 1 and 2.
Test condition Vehicle OFF (LOCK) mode CAN gateway 16P connector: disconnected Transmitting control unit connector (s) for indicated DTCs: disconnected DTC Circuit Name Test point 1 (Receiving control unit) Test point 2 (Transmitting control unit) Connector Terminal Connector Terminal U0100-00 F-CAN D_H CAN gateway 16P connector (female terminals): No. 7 PCM connector A (50P) No. 39 F-CAN D_L No. 15 No. 38 Is there continuity?
YES
The F-CAN D_H and F-CAN D_L wires are OK. Check for any authorized service information related to the DTCs or symptoms you are troubleshooting. According to the detected DTC on the following table, substitute or replace the correspond control unit.
DTC Transmitting Control Unit U0100-00 PCM NO
Repair an open in the wire between the receiving control unit and the transmitting control unit.