DTC P1760-87: Lost Communication with Sub Battery Module Missing Message [12/2017 - 10/2023]: Description
The shift control ECU sends backup request signals to the sub-battery ECU (part that is built into the sub-battery module assembly) according to BUBO signals.
The shift control ECU receives backup mode and malfunction notification signals from the sub-battery ECU (part that is built into the sub-battery module assembly) according to BUBI signals.
Communication is performed using PWM communication (Pulse Width Modulation: Modulates pulse width according to duty ratio).
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Warning Indicate |
|---|---|---|---|---|---|
| P1760-87 | Lost Communication with Sub Battery Module Missing Message | 0.5 seconds or more elapse after turning engine switch on (IG) with battery voltage 10 V or higher, shift control ECU is unable to receive signals from sub-battery ECU continuously for 1 second or more (1 trip detection logic) |
|
Does not come on |
|