P0977
Shift Solenoid B Control Circuit High
Generic code
Transmission System
High severity
Hard repair
Free on OBD DashX
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What P0977 means
- The fault code P0977 suggests that there is a malfunction in the circuit that controls the 'B' shift solenoid, causing it to stay in the high position.
Possible symptoms
- Transmission may fail to shift gears
- Harsh shifting
- Decreased fuel efficiency
- Illuminated check engine light
Possible causes
- Faulty shift solenoid 'B'
- Damaged or loose wiring or connections in the circuit
- Failed transmission control module (TCM)
Related parts
- Shift Solenoid: It helps to change gears in automatic transmission cars. A bad solenoid causes difficulty in shifting gears
Possible solutions
- Replace the shift solenoid 'B'
- Inspect and repair any damaged or loose wiring or connections
- Replace the transmission control module (TCM) if necessary
Free on OBD DashX
P0977 on OBD DashX
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