P0977
Shift Solenoid B Control Circuit High
P0977 is an OBD-II diagnostic trouble code meaning: Shift Solenoid B Control Circuit High. Common causes: short circuit in solenoid control circuit, shift solenoid b malfunction. Estimated repair cost: $17–56.
Symptoms
- Incorrect gear shifting
- Switching delays
- Transmission transition to emergency mode
- Check Engine light comes on
- Reduced vehicle dynamics
Causes
- Short circuit in solenoid control circuit
- Shift Solenoid B Malfunction
- Wiring harness damage
- Problems with connectors
- Transmission control module (TCM) malfunction
How to Fix
- Check the integrity of the solenoid control circuit
- Check solenoid B resistance
- Inspect the wiring harness and connectors for damage.
- Replace solenoid B if necessary
- Check the operation of the transmission control unit
Error P0977 by Vehicle Brand
FAQ
What does the P0977 code mean?
P0977 is an OBD-II diagnostic trouble code that indicates: Shift Solenoid B Control Circuit High
What causes a P0977 error code?
The most common causes of P0977 include: Short circuit in solenoid control circuit; Shift Solenoid B Malfunction; Wiring harness damage; Problems with connectors.
How do I fix a P0977 diagnostic trouble code?
To fix P0977: Check the integrity of the solenoid control circuit. Check solenoid B resistance. Inspect the wiring harness and connectors for damage.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0977?
Yes, but get it checked soon
How much does it cost to fix P0977?
The estimated repair cost for P0977 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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