P2B77 - Coolant Heater B Control Circuit Low
P2B77 is a generic powertrain diagnostic trouble code indicating Coolant Heater B Control Circuit Low. It relates to the Hybrid Propulsion system.
DTC Breakdown (SAE J2012)
| System | Powertrain (P) |
| Type | Generic |
| Subsystem | Hybrid Propulsion |
| Fault Index | 77 |
| Standard | SAE J2012 / ISO 15031-6 |
What does diagnostic code P2B77 mean?
The dtc/">diagnostic trouble code P2B77 represents Coolant Heater B Control Circuit Low. 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 P2B77 are currently being compiled. Always verify check engine warnings with a qualified mechanic.
Frequently Asked Questions about P2B77
What does P2B77 mean?
The diagnostic trouble code P2B77 represents Coolant Heater B Control Circuit Low. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.
What is the system for P2B77?
The P2B77 code is located in the vehicle's Powertrain network.