Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that your car is using too much of its alternative fuel, like electricity or natural gas, and it's not supposed to do that.
The vehicle's control module has detected that the consumption of alternative fuel exceeds the expected threshold.
The P2BB1 code is triggered when the powertrain control module (PCM) identifies that the vehicle's alternative fuel consumption rate is higher than the manufacturer's specified limit. This could be due to various factors including sensor malfunctions, fuel leaks, or inefficiencies in the fuel system.
• Decreased fuel efficiency
• Check engine light on
• Unusual fuel gauge readings
• Faulty fuel sensors
• Fuel system leaks
• Inefficient fuel injection system
PCM: Powertrain Control Module
OBD-II: On-Board Diagnostics II
• Use an OBD-II scanner to confirm the code.
• Inspect fuel lines and connections for leaks.
• Check the functionality of fuel sensors and injectors.
• Replace faulty fuel sensors.
• Repair any identified fuel leaks.
• Service or replace the fuel injection system.
• OBD-II scanner
• Fuel pressure gauge
• Multimeter
$150 - $500
Moderate
• Toyota Prius
• Chevrolet Volt
• Nissan Leaf
• Regular maintenance of fuel system
• Timely replacement of fuel filters
• Routine inspection of fuel lines
Engine Performance
• Monitor fuel consumption regularly.
• Schedule regular vehicle check-ups.
Check with your vehicle manufacturer for specific warranty details related to fuel system components.
This code has been more prevalent with the rise of hybrid and alternative fuel vehicles, as they have more complex fuel systems.
Moderate – Addressing this issue promptly can prevent further fuel system damage.
Driving with this code may lead to increased emissions and reduced vehicle efficiency.
• Vehicle running on alternative fuel mode
• Normal operating temperature
The fuel sensors and injection system are typically located near the engine compartment or fuel tank.
Q: Can I drive with the P2BB1 code?
A: It's not recommended to drive for long periods with this code as it may lead to increased fuel consumption and potential damage.
Q: How can I improve my vehicle's fuel efficiency?
A: Regular maintenance, proper tire inflation, and avoiding excessive idling can help improve fuel efficiency.
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