Audi S4 EPC Warning Light is On

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VIN: WAU**************
Mileage: 50,000 - 60,000 miles
Repair Date: March 2014
Location: Massachusetts

O/S EPC LIGHT IS COMING ON 51000 EPC LAMP ON TAC CASE #1225809. EPC LAMP ON FOR FOURTH ITME, SAME FAULT F-BRAKE LAP CONTROL SWITCH (R.G.94) 01 ENGNE CONTROL MODULE1, 6014 P057100 CRUISE/ BRAKE SWITCH (A) CIRCUIT, MALFUNCION (011 00000) PASSIVE/SPORADIC, Vehicle back with the same fault...customer stated concern happened while drivi ng in slippery road conditions. RECOMMENDING performig VOLTAGES drops on the B+ and B- side of the ABS WE REPLACE THE ABS CONTROL MODUE , READ OUT MEASURING BOLCK AFTER , BRAEK LAMPS COME AT 1-2 BAR PRESSURE, ROAD TESTED 20 MILES NO DCS,CUSTOMER IS PICKING UP C AR . TET DRIVE

VIN: WAU**************
Mileage: 20,000 - 30,000 miles
Repair Date: September 2015
Location: Virginia

C/S EPC WARNING CAME ON. P164B (OIL PRESSURE SWITCH MALFUNCTION) ROAD TST. VEHICEL. 'DO NOT EXCEED MORE THAN 4000 RPM' WRN ING LIGHT ILLUMINATES. ERFORM GFF SCAN OF CONTROL MODULES A ND TC'S STORED P164B (OIL PRESSURE SWITCH MLFUNCTION). REP LACE OIL PRESSURE SWITCH , CLEAR DTC'S AND ROAD TST TO VEIF Y REPAIRS.. AUTO TRANSMISSION

VIN: WAU**************
Mileage: 30,000 - 40,000 miles
Repair Date: August 2015
Location: Colorado

EPC LIHGT CAME ON 35512 FAULTS FOR OIL PRESSURE SPORTC SCNANED FAULTS FOUND FAULTS P164B00 OIL PRESSURE AND P133500 TORQUE LIMIT. FOLLOWDE TSB 2033379/3 FOR OIL PRESSURE AND ELIMINATE OIL FILTER FOUND 2mm SHORT. REPLACED FILTER AND TOPPED OFF FLUID . ROAD TESTED. FAULT RETURNED. CNTACTED TAS AND WAS TOLD TO REPLACE OIL PRESSURE SENSOR WITH UPDATE ART. REPLACED SENSOR AND ROAD TESTED TO VER REPAIR . .

VIN: WAU**************
Mileage: 20,000 - 30,000 miles
Repair Date: May 2015
Location: Texas

CUSTOMER STATES / EPC LGHT ON AGAIN / 29533 test drive and confirm epc light ocming on perfromed gff , performed tsb 2036761/2 remove compressor replace oil pressure switch , test DRV . .

VIN: WAU**************
Mileage: 20,000 - 30,000 miles
Repair Date: July 2014
Location: Massachusetts

EPC ILGHT IS ON 21830 SCANNED AULTS AND MISTAKE P164B00 SET FOR THE OIL PRESSRUE SWITHC F22. TSB 2036761/1 TO RPLACE THE OIL PRESSURE SWITCH. ERPLACED SWITCHES AND CLEARED FAUT CODES. TEST DROE VEHICLE AND RESCANNED VEHICLE. NO CODES SET AFTER REPAIRS. . RETESTS DRIVE

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