Your Toyota Runx engine control system detects a problem, the computer stores the diagnostic trouble
code C1837 in its memory.
To figure out what is wrong with your vehicle you must first extract the C1837 DTC For Toyota Runx.
On 1999 and later C1837 Toyota Runx 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.
C1837 Toyota Runx DTC Meaning
Chassis Code - Problem is controller area network wiring bus and modules.
MFG - Manufacturer Specific
Accelerator Pedal Position (APP) Sensor 1 Performance
Low Coolant Circuit
Cruise Control System - Vehicle Accel Too High
There are currently two main types of cylinder deactivation used today, depending on the type of engine. C1837 Toyota Runx code for the pushrod design which uses solenoids to alter the oil pressure delivered to the lifters. In their collapsed state, the lifters are unable to elevate their companion pushrods under the valve rocker arms, resulting in valves that cannot be actuated and remain closed.