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P077B - Output Shaft Speed Sensor Circuit - Direction Error

P077B is a generic powertrain diagnostic trouble code indicating Output Shaft Speed Sensor Circuit - Direction Error. It relates to the Transmission system.

DTC Breakdown (SAE J2012)

PSystem: Powertrain
0Type: Generic
7Subsystem: Transmission
7BFault Index
Facts for code P077B
SystemPowertrain (P)
TypeGeneric
SubsystemTransmission
Fault Index7B
StandardSAE J2012 / ISO 15031-6

What does diagnostic code P077B mean?

The dtc/">diagnostic trouble code P077B represents Output Shaft Speed Sensor Circuit - Direction Error. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

Detailed diagnostic guides and specific fix procedures for code P077B are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about P077B

What does P077B mean?

The diagnostic trouble code P077B represents Output Shaft Speed Sensor Circuit - Direction Error. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

What is the system for P077B?

The P077B code is located in the vehicle's Powertrain network.

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