DTC U0001-88: U0100-00: U0121-00: U0131-00: U0140-00: U0155-00: U0214-00: Communication Error: Notes
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
| System malfunction location |
U0001:88
- Module communication error (HS-CAN)
U0100:00
- Communication error with PCM
U0121:00
- Communication error with DSC HU/CM
U0131:00
- Communication error with EPS control module
U0140:00
- Communication error with front body control module (FBCM)
U0155:00
- Communication error with instrument cluster
U0214:00
- Communication error with start stop unit
|
| Detection condition |
- U0001:88
- Forward sensing camera (FSC) cannot receive CAN bus communication signal (HS-CAN) for 1 s or more
.
- Forward sensing camera (FSC) detects CAN bus communication line (HS-CAN) malfunction 10 times
continuously.
- U0100:00
- Forward sensing camera (FSC) cannot receive CAN signal from the PCM for 1 s or more
.
- U0121:00
- Forward sensing camera (FSC) cannot receive CAN signal from the DSC HU/CM for 1 s or more
.
- U0131:00
- Forward sensing camera (FSC) cannot receive CAN signal from the EPS control module for 1 s or more
.
- U0140:00
- Forward sensing camera (FSC) cannot receive CAN signal from front body control module (FBCM) for 5 s or more
.
- U0155:00
- Forward sensing camera (FSC) cannot receive CAN signal from instrument cluster for 5 s or more
.
- U0214:00
- Forward sensing camera (FSC) cannot receive CAN signal from the start stop unit for 1 s or more
.
|
| Fail-safe |
- U0001:88
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
- U0100:00
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
- U0121:00
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
- U0131:00
- Inhibits the lane departure warning system (LDWS).
- U0140:00
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
- U0155:00
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
- U0214:00
- Inhibits the lane departure warning system (LDWS).
- Inhibits the high beam control system (HBC).
|
| Possible cause |
- Malfunction in CAN bus communication line
- Malfunction in CAN line between the PCM and forward sensing camera (FSC)
- Malfunction in CAN line between the DSC HU/CM and forward sensing camera (FSC)
- Malfunction in CAN line between the EPS control module and forward sensing camera (FSC)
- Malfunction in CAN line between the front body control module (FBCM) and forward sensing camera (FSC)
- Malfunction in CAN line between the instrument cluster and forward sensing camera (FSC)
- Malfunction in CAN line between the start stop unit and forward sensing camera (FSC)
|
| System wiring diagram |
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