Diagnostic Procedure

DTC C0051:2F (START STOP UNIT) DIAGNOSTIC PROCEDURE

Step	Inspection		Action
1	VERIFY IF MALFUNCTIONING LOCATION IS START STOP UNIT DEPENDING ON REPEATABILITY Clear the DTC for the start stop unit using the M-MDS. (See CLEARING DTC (START STOP UNIT) .) Switch the ignition ON (engine off or on) and wait for 5 s or more. Retrieve the start stop unit DTCs using the M-MDS. (See DTC INSPECTION (START STOP UNIT) .) Is the same DTC displayed?	Yes	Replace the start stop unit, then go to the next step. (See START STOP UNIT REMOVAL/INSTALLATION .)
1		No	Go to the next step.
2	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (See DTC TABLE (START STOP UNIT) .)
2		No	DTC troubleshooting completed.