DTC P0977 Acura
Open in Shift Solenoid Valve B Circuit
Open in Shift Solenoid Valve B Circuit
Description
The return signal does not match the command to turn OFF shift solenoid valve B for at least 1 second. The execution time is continuous and the duration time is 1 seconds or more. Battery voltage minimum 11 volts, and DTCs P0976, P0979, P0980 are not active. NOTE: This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
Cause and Solution
Poor connections or loose terminals at shift solenoid valve B and the PCM
Open circuit between PCM connector terminal and the shift solenoid harness connector
Faulty shift solenoid valve B or shift solenoid harness
PCM may need to be updated with the latest software
Video Guide
Diagnostic Info
- DTC Code: P0977
- Brand: Acura