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2013 Chevrolet Malibu Eco

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

Other model years Selected year
Compare all Malibu Eco years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

82 reports with mileage · 5 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Electrical System. Review the 49 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports1 fire reports2 injury reports

Steering complaints

16 reports
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88,900 miles · Feb 20, 2019
Electrical SystemPower TrainSteering

WAS DRIVING DOWN INTERSTATE GOING 70 MPH WHEN ELECTRICAL SYSTEM WENT HAYWIRE. THE ENGINE ENGINE STALLED AND LOST POWER STEERING. VERY DANGEROUS!

NHTSA ODI #11181436

80,000 miles · Aug 15, 2018
Electrical SystemExterior LightingSteering

MY BATTERY HAS RANDOMLY BEGAN TO DISCHARGE BY ITSELF AND SOMETIMES THE VEHICLE WONT START. THE CAR TOTALLY SHUT DOWN ON ME WHILE DRIVING IN TRAFFIC AND ALMOST CAUSED A MAJOR ACCIDENT. CALLED GM AND MY LOCAL CHEVY DEALER AND THE SERVICE MANAGER REFUSED TO HELP ME UNLESS I PAID FOR A DIAGNOSTIC ALTHOUGH I ALMOST LOST MY LIFE TO A …

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MY BATTERY HAS RANDOMLY BEGAN TO DISCHARGE BY ITSELF AND SOMETIMES THE VEHICLE WONT START. THE CAR TOTALLY SHUT DOWN ON ME WHILE DRIVING IN TRAFFIC AND ALMOST CAUSED A MAJOR ACCIDENT. CALLED GM AND MY LOCAL CHEVY DEALER AND THE SERVICE MANAGER REFUSED TO HELP ME UNLESS I PAID FOR A DIAGNOSTIC ALTHOUGH I ALMOST LOST MY LIFE TO A KNOWN OPEN RECALL ALL BECAUSE MY VIN NUMBER WASNT ON THE LIST. THIS IS HORRIBLE. IF I DIE DUE TO THIS GM NEEDS TO PAY..

NHTSA ODI #11120009

68,800 miles · Aug 11, 2018
Electronic Stability Control (esc)SteeringVehicle Speed Control

TAKATA INFLATORS WAS DRIVING ON A CITY STREET AND CHECK ENGINE LIGHT CAME ON. PULLED OVER AND TURNED CAR OFF. SAT FOR ABOUT 10 MINUTES AND STARTED IT AGAIN, CHECK ENGINE LIGHT WAS STILL ON. STARTED TO DRIVE BACK TO MY HOUSE AND GOT ONLY 10 FEET BEFORE THE CAR SHUT ITSELF OFF, AND WHEEL LOCKED UP. PUT THE CAR IN PARK, AND TRIE…

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TAKATA INFLATORS WAS DRIVING ON A CITY STREET AND CHECK ENGINE LIGHT CAME ON. PULLED OVER AND TURNED CAR OFF. SAT FOR ABOUT 10 MINUTES AND STARTED IT AGAIN, CHECK ENGINE LIGHT WAS STILL ON. STARTED TO DRIVE BACK TO MY HOUSE AND GOT ONLY 10 FEET BEFORE THE CAR SHUT ITSELF OFF, AND WHEEL LOCKED UP. PUT THE CAR IN PARK, AND TRIED STARTING IT AGAIN, AND IT TURNED OVER BUT SHUT ITSELF OFF AGAIN, WITH NOTICE OF ENGINE POWER REDUCED, SERVICE STABILITRAK. WOULD NOT START THE THIRD TIME. THIS IS MY ONLY MEANS OF TRANSPORTATION, AND BEING A MOTHER I NEED THIS CAR TO WORK AND TAKE CARE OF MY KIDS. IF CHEVY REALLY CARED ABOUT THEIR CUSTOMERS, THEY WOULD READ ALL THE COMPLAINTS THAT MANY OF US ARE HAVING ON THE SAME ISSUE AND RECALL OR FIX SOMETHING. I AM SO DISAPPOINTED.

NHTSA ODI #11119369

52,938 miles · May 29, 2018
Electrical SystemEngineSteering

I HAVE HAD REPEATED ISSUES INVOLVING MY 2013 CHEVROLET MALIBU ECO DATING BACK TO 2014. I HAD THE VEHICLE REPAIRED FOR THE SAME ISSUES MULTIPLE TIMES AND THE ISSUE IS STILL NOT RESOLVED. MY VEHICLES HESITATES CONSTANTLY AND STALLS (CUTS COMPLETELY OFF) IN THE MIDDLE OF DRIVING WITHOUT ANY WARNING. THE STEERING WHEEL ALSO LOCKS UP…

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I HAVE HAD REPEATED ISSUES INVOLVING MY 2013 CHEVROLET MALIBU ECO DATING BACK TO 2014. I HAD THE VEHICLE REPAIRED FOR THE SAME ISSUES MULTIPLE TIMES AND THE ISSUE IS STILL NOT RESOLVED. MY VEHICLES HESITATES CONSTANTLY AND STALLS (CUTS COMPLETELY OFF) IN THE MIDDLE OF DRIVING WITHOUT ANY WARNING. THE STEERING WHEEL ALSO LOCKS UP OCCASIONALLY AND WATER LEAKS IN THE TRUNK. I HAVE OWNED A FEW 'BRAND NEW' VEHICLES AND I HAVE NEVER EXPERIENCED ANYTHING LIKE THIS IN MY LIFE. I AM VERY SCARED FOR MY SAFETY AND THE SAFETY OF MY CHILD. I HAVE VOICED MY CONCERNS ABOUT MY SAFETY MANY TIMES ESPECIALLY AFTER ALMOST BEING HIT FROM BEHIND BY A TRACTOR TRAILER ON A MAJOR HIGHWAY. BY THE GRACE OF GOD OUR LIVES WERE SPARED, BUT IT WAS VERY TRAUMATIZING EXPERIENCE. SINCE THAT INCIDENT MY VEHICLE HAS CONTINUED TO STALL AND I HAVE TAKEN THE VEHICLE IN FOR THE ISSUES. MY CAR HAS CUT OFF IN THE MIDDLE OF MAJOR INTERSECTIONS, PARKING LOTS, MAIN HIGHWAYS, ETC. AT VARIOUS SPEEDS DRIVING FORWARD AND BACKING UP. NOW MY CHILD IS SCARED TO RIDE IN OUR OWN VEHICLE. EVERY DAY WHEN I GET BEHIND THE WHEEL OF MY CAR ITS LIKE GOING ON SUICIDE MISSION. GM CANNOT FIX THE PROBLEM, WON'T HONOR THEIR WARRANTIES AND BRUSH MY CONCERNS OFF. THIS IS A SERIOUS MATTER AND IT CAN EVENTUALLY RESULT IN THE LOSS OF A LIFE OR MULTIPLE LIVES. I PRAY THAT IT WILL NOT BE ME OR MY DAUGHTER'S LIFE OR WE CAUSE SOMEONE ELSE TO LOSE THEIR LIFE BECAUSE OF OUR STALLED VEHICLE. I HAVE CONTACTED TWO DEALERSHIPS AND GM CORPORATE OFFICE AND I HAVE NOT RECEIVED A RESOLUTION REGARDING MY VEHICLE. BASICALLY, THE DEALERSHIP AND GM CORPORATE CONFIRMED THAT MY SAFETY AND THE SAFETY OF MY CHILD IS NOT A CONCERN OR A PRIORITY. HELP!!

NHTSA ODI #11098645

57,000 miles · May 10, 2018
Electronic Stability Control (esc)Fuel/propulsion SystemSteering

CAR STALLED IN TRAFFIC....BATTERY CHARGING SYSTEM FAILURE LIGHT CAME ON. AS WELL AS VARIOUS OTHER LIGHTS...DOORS LOCKED...NO HEADLIGHTS OR BLINKERS WORKED. NO POWER STEERING...WOULD NOT STAY RUNNING AFTER IT WAS JUMPED...REPLACED BATTERY...RAN FOR 2 WEEKS... SAME THING HAPPENED...DEALER WOULD NOT LOOK AT IT..

NHTSA ODI #11092872

80,000 miles · Feb 19, 2018
Electrical SystemElectronic Stability Control (esc)Steering

DASHBOARD NOTIFICATION RECEIVED INDICATING "REDUCED ENGINE POWER" AND TO "SERVICE STABILITRAK". THIS LEADS TO STALLING AND/OR LOSS OF POWER TO VEHICLE. LOSS OF VEHICLE POWER HAS HAPPENED WHILE DRIVING ON MULTIPLE OCCASIONS LEAVING THE DRIVER AND PASSENGERS IN UNSAFE LOCATIONS SUCH AS ON THE FREEWAY AND IN CITY TRAFFIC. CONCER…

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DASHBOARD NOTIFICATION RECEIVED INDICATING "REDUCED ENGINE POWER" AND TO "SERVICE STABILITRAK". THIS LEADS TO STALLING AND/OR LOSS OF POWER TO VEHICLE. LOSS OF VEHICLE POWER HAS HAPPENED WHILE DRIVING ON MULTIPLE OCCASIONS LEAVING THE DRIVER AND PASSENGERS IN UNSAFE LOCATIONS SUCH AS ON THE FREEWAY AND IN CITY TRAFFIC. CONCERNS HAVE BEEN REPORTED TO LOCAL CHEVROLET DEALERSHIP. THE DEALERSHIP HAS PROVIDED SERVICE ON THE VEHICLE FOR THIS OR SIMILAR PROBLEMS 4 TIMES WITHIN THE PAST 12 MONTHS. AFTER RECEIVING SERVICE, THE PROBLEMS WILL SUBSIDE BRIEFLY ONLY TO RESURFACE IN 2-3 MONTHS TIME.

NHTSA ODI #11073739

48,500 miles · Jan 5, 2018
Steering

STARTED CAR AND HAD NO POWER STEERING AND A WARNING TO SERVICE. BROUGHT TO DEALER AND WAS TOLD AFTER THE VEHICLE HAD WARMED UP THAT THE ELECTRIC ASSIST MOTOR HAD QUIT AND THERE HAS BEEN ISSUES WITH THIS DURING COLD WEATHER. IT HAD BEEN BELOW ZERO FOR AN EXTENDED PERIOD. THE VEHICLE WAS PARKED OVERNIGHT AND LUCKY I HAD NOT BEEN M…

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STARTED CAR AND HAD NO POWER STEERING AND A WARNING TO SERVICE. BROUGHT TO DEALER AND WAS TOLD AFTER THE VEHICLE HAD WARMED UP THAT THE ELECTRIC ASSIST MOTOR HAD QUIT AND THERE HAS BEEN ISSUES WITH THIS DURING COLD WEATHER. IT HAD BEEN BELOW ZERO FOR AN EXTENDED PERIOD. THE VEHICLE WAS PARKED OVERNIGHT AND LUCKY I HAD NOT BEEN MOVING WHEN IT HAPPENED. NOTHING WAS DONE AT DEALERSHIP AS IT STARTED WORKING AFTER SITTING OVER NIGHT IN THERE GARAGE. THIS IS A $2000 REPAIR IF THE ELECTRIC MOTOR GOES OUT AND A SAFETY ISSUE. I BOUGHT THIS CAR NEW IN MINNESOTA AND COLD IS A FACTOR HERE AND THE ELECTRIC STEERING SHOULD NOT BE FAILING AT 48,000 MILES.

NHTSA ODI #11060775

44,000 miles · Sep 5, 2017
Electrical SystemSteering

TL* THE CONTACT OWNS A 2013 CHEVROLET MALIBU ECO. THE CONTACT STATED THAT WHILE STARTING THE VEHICLE, THE POWER STEERING, THE BATTERY CHARGING SYSTEM AND THE CHECK ENGINE WARNING LIGHTS ILLUMINATED. THE ENGINE FAILED TO START. THE VEHICLE WAS TOWED TO THE DEALER BOB BELL CHEVROLET LOCATED AT 1 KANE ST, BALTIMORE, MD 21224; WHER…

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TL* THE CONTACT OWNS A 2013 CHEVROLET MALIBU ECO. THE CONTACT STATED THAT WHILE STARTING THE VEHICLE, THE POWER STEERING, THE BATTERY CHARGING SYSTEM AND THE CHECK ENGINE WARNING LIGHTS ILLUMINATED. THE ENGINE FAILED TO START. THE VEHICLE WAS TOWED TO THE DEALER BOB BELL CHEVROLET LOCATED AT 1 KANE ST, BALTIMORE, MD 21224; WHERE IT WAS DIAGNOSED THAT THE BATTERY NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE CONTACT ALSO STATED THAT WHILE DRIVING AT 10 MPH, THE BATTERY CHARGING SYSTEM LIGHT ILLUMINATED. THE CONTACT DROVE TO THE CONTACT'S RESIDENCE. THE CONTACT ALSO STATED THAT THE BATTERY WAS COMPLETELY DRAINED. THE VEHICLE WAS THE NOT TAKEN TO THE DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED AT 800-521-7300. THE MANUFACTURER STATED THAT THE VIN WAS NOT PART OF THE RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND A CASE NUMBER 8-3240086194 WAS PROVIDED. THE APPROXIMATE FAILURE MILEAGE WAS 44,000.

NHTSA ODI #11021415

106,000 miles · Jun 2, 2017
Electrical SystemElectronic Stability Control (esc)Steering

I HAD FOUR RECALLS DONE ON 3/17/17 AT EMERSON CHEVY IN AUBURN, ME. 15176, 12212, 13142, AND 13342. CAR HAD BEEN TOWED TO DEALERSHIP WHEN IT DIED ON SIDE OF ROAD. THEN ABOUT TWO MONTHS LATER, IT DIES ON SIDE OF ROAD AGAIN (BATTERY NOT CHARGING AGAIN!!). PAID OVER $1,000 TO GOODWIN CHEVROLET IN OXFORD, ME TO SUPPOSEDLY FIX IT. …

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I HAD FOUR RECALLS DONE ON 3/17/17 AT EMERSON CHEVY IN AUBURN, ME. 15176, 12212, 13142, AND 13342. CAR HAD BEEN TOWED TO DEALERSHIP WHEN IT DIED ON SIDE OF ROAD. THEN ABOUT TWO MONTHS LATER, IT DIES ON SIDE OF ROAD AGAIN (BATTERY NOT CHARGING AGAIN!!). PAID OVER $1,000 TO GOODWIN CHEVROLET IN OXFORD, ME TO SUPPOSEDLY FIX IT. ON 6/1/17, MY DAUGHTER WENT OFF THE ROAD WHEN IT HAPPENED AGAIN (BATTERY DRAIN, STEERING FAILS, ETC. LUCKILY SHE WAS NOT GOING VERY FAST AND WENT INTO A FIELD. THIS NEEDS TO BE ADDRESSED BEFORE SOME ONE GETS KILLED!

NHTSA ODI #10992888

13,700 miles · Oct 29, 2015
Air BagsSteeringCrashInjury

VEHICLE MAKE, MODEL, AND YEAR: 2013 CHEVROLET MALIBU ECO VEHICLE VIN NO.: [XXX] INCIDENT DATE: 06/21/2015 INCIDENT TIME: 10:40:00 AM INCIDENT LOCATION: [XXX] APPROXIMATE MONETARY VALUE: 100000 ARE YOU WILLING TO TESTIFY IN COURT REGARDING THIS COMPLAINT? (X)…

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VEHICLE MAKE, MODEL, AND YEAR: 2013 CHEVROLET MALIBU ECO VEHICLE VIN NO.: [XXX] INCIDENT DATE: 06/21/2015 INCIDENT TIME: 10:40:00 AM INCIDENT LOCATION: [XXX] APPROXIMATE MONETARY VALUE: 100000 ARE YOU WILLING TO TESTIFY IN COURT REGARDING THIS COMPLAINT? (X)YES( )NO DID YOU COMPLAIN DIRECTLY TO THE BUSINESS? (X)YES( )NO IF SO, WHO? CHEVY CUSTOMER ACCURANCE WHAT WAS THE RESPONSE FROM THE BUSINESS? CASE #[XXX] NOTHING ON 9/7/2015 I BOUGHT THIS BRAND NEW CHEVY MALIBU ECO WITH A STICKER PRICE OF OVER $28.000 DOLLARS THERE WHERE MANY ISSUES AND RECALLS BACK IN NOV 2014 I GOT A LETTER FROM CHEVY REGARDING A SAFETY ISSUE WITH THE STEERING IN THIS CAR GM DID NOT DO A RECALL AS YOU KNOW IT WOULD HAVE COST THEM MILLONS OF DOLLARS TO DO A RECALL INSTEAD THEY SENT THIS LETTER OUT I TOOK THE LETTER TO THE CHEVY DEALER 2 TIMES THEY DID NOTHING ON 6/21/15 I WAS COMING FROM SEEING MY DYING MOTHER WHO WAS IN A LONG TERM CARE FOR 14 MONTHS SHE DID DIE LAST WEEK BUT ON THIS DATE I WAS DRIVING HOME ON THIS ROAD I DROVE 2 TIMES A DAY FOR 14 MONTHS THE GM CHEVY DEFECT CAUSED ME TO HAVE A CAR ACCIDENT WITH INJURY'S ME BEING INJURED THE STEERING WHEELS STAYED STRAIGHT AND CAUSED THE ACCIDENT I DID GET BLAMED FOR THE ACCIDENT LOST MY 2013 CHEVY MALIBU ECO WENT TO THE HOSPITAL WITH TRAMA FOR 6 TO 8 WEEKS PAID A FINE OF $439.00 THEN ON JULY 11 2015 I BOUGHT ANOTHER NEW CHEVY THE DEALER ACTION CHEVY SCAMMED ME I WAS TO PAY $21.200 FOR THE CAR MINUS THE $1500 REBATE THE CAR DEALER CHANGED IT TO I PAY $21.200 MINUS THE $1500 REBATE ACTION CHEVY ALSO SCREWED ME ON BUYING A 3RD CHEVY IN 12 YEARS I LOST MAYBE $100.000 PLUS MY CAR INS WENT UP BECAUSE OF THIS CHEVY GM DEFECT CHEVY /GM NEED TO DO A RECALL ATTORNEY NEEDS TO DO A CLASS ACTION LAW SUITE AGAINST CHEVY/GM INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10787109

Official recalls

1

13V173000 · Electrical System

May 6, 2013

General Motors (GM) is recalling certain model year 2012 and 2013 Buick LaCrosse and Regal, and model year 2013 Chevrolet Malibu Eco vehicles equipped with eAssist. These vehicles may have a condition in which the Generator Control Module (GCM) may not function properly. This could cause a gradual loss of battery charge and the illumination of the malfunction indicator light.

Consequence & remedy

Consequence: If the vehicle is continued to be driven, the engine may stall and/or the vehicle may not start. In addition, there may be a burning or melting odor, smoke, and possibly a fire in the trunk.

Remedy: GM will notify owners and dealers will test the GCM and replace it, as necessary, free of charge. The recall began on June 11, 2013. Owners may contact GM at 1-800-521-7300. GM's recall campaign number is 13136.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

AQ14001 · Sands Chevrolet/hybrid System Fire/stall

Opened May 2, 2014 · Closed May 22, 2016

Status: closed (inferred from source dates) · Electrical System

NHTSA opened AQ14-001 to determine whether Sands Chevrolet of Surprise, Arizona complied with the requirements of the National Traffic and Motor Vehicle Safety Act, 49 U.S.C. Chapter 301 (Safety Act) and its implementing regulations. The Safety Act requires, among other things, that a manufacturer notify its dealers of defects related to motor vehicle safety and non-compliances with Federal Motor Vehicle Safety Standards and, in turn, that a dealer not sell and deliver a new vehicle subject to a recall unless the recall remedy has been performed (49 U.S.C. ?? 30112(a), 30120(i)).NHTSA issued an information request (IR) letter to Sands Chevrolet on May 5, 2014.Sands Chevrolet responded to this request on May 22, 2014.To ensure NHTSA?s information request encompassed all possible reference codes for General Motors recall 13V-173, NHTSA issued another IR letter to Sands Chevrolet on June 8, 2015.Again, a response letter was received on June 9, 2015.NHTSA?s investigation indicated that Sands Chevrolet did sell and deliver recalled vehicles that did not have the recall remedy completed at the time the vehicles were delivered to the customers.NHTSA therefore concluded that Sands Chevrolet was liable for civil penalties for violations of the Safety Act, pursuant to 49 U.S.C. ? 30165.Under a Settlement Agreement dated March 24, 2016, Sands Chevrolet represented that it improved its processes to verify that it checks every vehicle for recalls prior to delivery to the purchaser and that it has not sold and delivered any unremedied new motor vehicles since June 9, 2015.Sands Chevrolet also represented that it now also checks for open recalls on every customer vehicle brought in for service, and that it checks for open recalls on every used trade-in vehicle, regardless of make or model, and takes steps to have all used trade-in vehicles repaired prior to retail sale. Sands Chevrolet admitted to violating the law and must pay civil penalties in the amount of $40,000.This Audit Query is closed.

RQ13003 · Generator Control Module Fires

Opened Jul 5, 2013 · Closed Jul 22, 2014

Status: closed (inferred from source dates) · Electrical System:propulsion System:traction Battery

On July 5, 2013 the Office of Defects Investigation (ODI) opened Recall Query RQ13-003 to investigate whether the service procedures utilized in recall bulletins 13136 and 13142 for safety recall 13V-173 were sufficient to identify the safety defect in the subject vehicles.These safety recalls were issue on May 3, 2013 to address the improper function of the Generator Control Module (GCM) in certain model year (MY) 2012-13 Buick LaCrosse and Regal and MY 2013 Chevrolet Malibu Eco equipped with eAssist.This condition may result in a loss of battery charge, engine stall and/or inability for the vehicle to start.In severe cases it may also lead to odor, smoke and possibly a fire in the trunk.During discussions with General Motors (GM), ODI was informed that the subject vehicles could be separated into 4 distinct build populations, or groups. Group A contained vehicles built from the start of production through 3/19/2012.Group B involved vehicles built from 3/20/2012 to 8/20/2012, group C from 8/21/2012 to 12/31/12, and group D from 1/1/2013 onwards.Bulletin 13136 instructed dealers to inspect and, if necessary, replace the GCM for vehicles in groups A or C.Bulletin 13142 instructed dealers to replace the GCM of any vehicle in group B.Group D vehicles were not recalled.All eAssist vehicles have a Powerpack which contains a BAS (belt alternator-starter) Power Inverter Module (BPIM)/Accessory Power Module (APM) and a 115-V Lithium-Ion battery.The Powerpack is known by GM's Part Description System as the GCM and Battery Module. The BPIM/APM contains 3 multi-layered printed circuit boards (PCBs) comprised of conductive layers separated by isolating layers.Vehicles built within the time periods of groups A and B had PCBs using single isolation layers.Vehicles build in group C had dual isolation layers on 1 of the 3 PCBs, and group D had all 3 PCBs built with dual insulation.Adding dual insulation to a PCB makes it more robust to material and manufacturing variations, and ultimately less susceptible to an electrical short circuit and subsequent failure.Through initial analysis of the GCM failures, GM identified that vehicles within group B contained PCBs that were contaminated during production due to increased production volumes that resulted in inadequate quality control.GM also noted that GCM failures occurred early in the life of the vehicle (typically <1000 miles).Therefore a service procedure was developed to replicate early life failures by subjecting the GCM to high current loads which would cause the identified failure mechanism (copper migration) to occur quickly and reveal any underlying PCB defect.Although groups A and C were built with PCBs containing single layer PCBs, they were built using better quality control, and as the data supports, experienced significantly lower failures.GM advised that for these reasons the two different service procedures were used in the Recall 13V-173 population.In response to ODI's Information Request (IR) GM submitted 234 unique reports related to the alleged problem. It was noted that 197 (84%) of the received reports fell into the group B population.The 2 fire incidents noted were events in which flames were evident and/or damage was experienced outside of the GCM. Both of these incidents involved group B vehicles. One hundred four warranty claims were also submitted in response to the IR, with 96 claims (92%) from group B.It was also noted that none of the claims from groups A or C occurred after the service procedure was conducted, and that the majority of the A or C incidents occurred during the service procedure.Given the data, ODI believes the ser