Your Renault P55 engine control system detects a problem, the computer stores the diagnostic trouble
code B240C in its memory.
To figure out what is wrong with your vehicle you must first extract the B240C DTC For Renault P55.
On 1999 and later B240C Renault P55 engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.
B240C Renault P55 DTC Meaning
Body Code - Problem is antilock brake system, electronic suspension and steering systems.
MFG - Manufacturer Specific
Fuel And Air Metering (Injector Circuit Malfunctions Only)
Air Conditioning (A/C) Clutch Feedback Circuit High Voltage
TFP Valve Position Switch-Drive Without Drive Ratio
While fuel economy was increased, acceleration was seriously compromised, and the loss of engine vacuum led to a dangerous loss of braking assist when the B240C Renault P55 code system was in four-cylinder mode. In addition to these issues, while the company proposed a hydraulically controlled system that could be switched from within the car, the version they implemented had to be manually changed in the engine compartment using hand tools.