Toyota Corolla Cross: M20a-fks Spark Plug

 TCM Processor Watchdog/Safety MCU Failure (P061347)

DESCRIPTION The TCM continuously monitors its CPU. If the output of the CPU deviates from the standard, the TCM will illuminate the MIL and store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory

 Random/Multiple Cylinder Misfire Detected (P030000,P030027,P030085-P030400)

DESCRIPTION When the engine misfires, high concentrations of hydrocarbons (HC) enter the exhaust gas. Extremely high hydrocarbon concentration levels can cause an increase in exhaust emission levels. Extremely high concentrations of hydrocarbons can also cause increases in the three-way catalytic co