This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
full bulletin at NHTSA ↗2021 Chevrolet Malibu electrical problems
severe Owners of the 2021 Chevrolet Malibu have filed 18 NHTSA complaints about the electrical at roughly $850 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See electrical across all vehicles →
Complaints
18
Recalls
0
Avg fix
$850
| Model year | electrical complaints |
|---|---|
| 2017 Malibu | 137 |
| 2018 Malibu | 124 |
| 2019 Malibu | 51 |
| 2020 Malibu | 38 |
| 2021 Malibu (this page) | 18 |
| 2022 Malibu | 20 |
| 2023 Malibu | 10 |
| 2024 Malibu | 9 |
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What stands out
Electrical accounts for 22% of all owner complaints filed against this vehicle, across 4 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering electrical on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This service bulletin provides a service procedure to correct conditions of Poor Engine Performance in Extremely cold weather conditions, CAC Icing, MIL Illuminated with DTCs set.
full bulletin at NHTSA ↗This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
full bulletin at NHTSA ↗This service bulletin provides a repair procedure to correct a customer concern of a Malfunction Indicator Lamp (MIL) Illuminated - DTC P3055 Set.
full bulletin at NHTSA ↗The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other diagnostic methods to identify them.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2021 Chevy Malibu shows a clear pattern of electrical and transmission control failures across 17 complaints. The dominant issue is park position detection: the vehicle repeatedly displays a "SHIFT TO PARK" message even when the shifter is in park, preventing engine shutdown and draining batteries. Owners report being trapped in vehicles for hours, needing multiple restart cycles to shut off the engine. Battery depletion leaves some owners stranded.
Secondary but serious: engine stall in motion—vehicles shut down unexpectedly at traffic lights, in intersections, and drive-throughs, with no warning lights. Owners lose power steering and brakes, creating collision risk. One owner experienced a near-fatal stall and the fuel pump module was subject to recall.
A "SERVICE ESC" warning triggers erratic engine power reduction, brake degradation, and transmission unresponsiveness on highways. Throttle sensor faults limit vehicle speed to 25–30 mph. Transmission control malfunctions show code P0700 with loss of acceleration. One owner reports neutral detection errors locking the steering wheel mid-drive.
Dealers often cannot reproduce failures because fault codes do not always store. Many owners are outside warranty when issues arise. Recalls exist for some VINs but leave others uncovered. One owner was denied coverage 3,000 miles past warranty and charged $500+ for shifter replacement—while a coworker with a similar issue received free repair under warranty.
Same Chevrolet Malibu electrical reports on nearby years: 2018 · 2019 · 2020 · 2022
Failure modes owners describe
Park Position Detection Failure (Shift to Park Message)
The transmission control module fails to recognize the vehicle is in park, displaying a repeated 'SHIFT TO PARK' message on the dash even when the shifter is in park position. The electrical system remains powered on, preventing engine shutdown and draining the battery.
When: Occurs sporadically when attempting to turn off the vehicle; some owners report onset within days of purchase; one owner reported after warranty expiration
Symptoms owners cite: Dashboard repeatedly displays 'SHIFT TO PARK' message despite shifter being in park; Electrical system remains powered on; lights, radio, and console remain active; Vehicle will not fully power down; Engine will not turn off on first attempt; owner must cycle through gears and restart multiple times; Battery drains prematurely, leaving vehicle stranded; Vehicle may roll if brake is released, creating run-over hazard; One owner reports 95-minute episode before vehicle would start; RPMs then revved excessively
Repairs/costs cited: Dealers have replaced transmission harness; complete shifter assembly replacement cited by multiple owners at cost exceeding $500–$2,000. One owner charged $500.15 out of warranty; same repair was covered at $0 for another owner still in warranty.
Recalls/TSBs owners mention: Some recalls issued but VIN-specific; many affected owners' VINs excluded from recall coverage. Dealers aware of issue and offer warranty repair (if in warranty period). GM has not issued universal recall despite knowledge of widespread problem across multiple model years (2016–present).
Engine Stall in Motion or at Idle
Engine shuts off unexpectedly while vehicle is in gear, stopped at traffic lights, in drive-throughs, or during normal driving. No warning lights appear before shutdown. Loss of power steering and brakes creates immediate hazard.
When: Without warning; one owner's incidents began within one week of purchase; another reported near-fatal incident in 2023
Symptoms owners cite: Engine stalls while at red light (stopped); Engine stalls while in drive-through, on hills, in intersections; Engine stalls while moving or reversing in parking spot; No warning lights appear before or after stall events; Loss of power steering and power brakes when stalled; Vehicle unresponsive; creates collision hazard
Repairs/costs cited: One owner reports dealer unable to reproduce stall; no fault codes stored in system. Suspected root cause per one complaint: Fuel Pump Power Control Module defect (subject of Recall N252516900) causing fuel flow interruption.
Recalls/TSBs owners mention: General Motors issued Recall N252516900 for Fuel Pump Power Control Module on affected vehicles. One owner's vehicle is subject to recall but has not received timely resolution; GM case manager contact documented (Jasmine, supervisor Stephanie, October 17, 2025). No acknowledgment of causation of secondary failures (battery, compressor, belt).
SERVICE ESC Warning with Multi-System Degradation
Dashboard displays 'SERVICE ESC' warning, triggering engine power reduction, brake degradation, and loss of transmission control. Gauges fluctuate erratically. Owner characterizes this as 'very common' in 2017–present Malibu across forums and personal network.
When: Onset during highway driving
Symptoms owners cite: Dashboard displays 'SERVICE ESC' (Electronic Stability Control) warning; Engine power reduced, forcing erratic shoulder pullover; Brakes do not engage properly; Transmission will not shift gears; fails to respond to shift commands; Gauges fluctuate up and down; GPS goes out of sync; Engine may shut off completely
Recalls/TSBs owners mention: No recall issued despite owner's research indicating widespread complaint pattern across Malibu owners and multiple model years (2017–present) and across social media platforms (Reddit, YouTube, Google). Owner states disgruntlement and knowledge of issue among multiple other Malibu owners.
Transmission Control Malfunction with Loss of Propulsion
Transmission becomes unresponsive, preventing acceleration or gear engagement during normal driving. Diagnostic code P0700 (Transmission Control System Malfunction) stored; mechanic suspects output shaft speed sensor or vehicle speed sensor failure. One owner reports shop cited this as a common problem in 2021 model year.
When: At 30 mph during normal driving; no prior warning
Symptoms owners cite: Vehicle will not accelerate despite engine running; Transmission revs up (high RPM) but does not move vehicle; Loss of propulsion mid-drive; Transmission fluid level normal
Codes mentioned: P0700 (Transmission Control System Malfunction)
Repairs/costs cited: Shop estimated repair cost: $3,000 and up for full transmission replacement or sensor repair. Mechanic shop owner cited 2021 Malibu as having multiple owner complaints for this issue.
Neutral Safety Switch / Neutral Position Detection Error
Vehicle incorrectly registers as being in neutral while in drive, causing loss of propulsion and loss of steering wheel control. Engine reverts to idle; steering wheel locks; accelerator becomes unresponsive. Owner suspects neutral safety switch malfunction.
When: During normal driving; occurred approximately 6 times during half-mile drive home; one incident documented at 82,000 miles
Symptoms owners cite: Dashboard indicates vehicle has shifted to neutral without driver input; Loss of propulsion; steering wheel locks up; Accelerator becomes unresponsive; Incident repeats multiple times during short drive; No diagnostic codes retrieved yet (dealership backed up for one month)
Repairs/costs cited: Diagnosis pending; owner suspects neutral safety switch.
Electronic Key Fob and Door Lock System Hazard (Rental Vehicle)
Electronic starter/turn-off button allows vehicle to be locked remotely while engine remains running. Occupants without electronic key fob cannot open doors from inside, creating asphyxiation risk.
When: Design/operational issue noted on rental fleet vehicle
Symptoms owners cite: Vehicle can be locked remotely while running; Occupants without electronic key fob cannot open doors from inside; Risk of asphyxiation if occupant (adult or child) is trapped in locked running vehicle
Engine Power Reduction with Transmission Malfunction (Throttle Sensor Issue)
Dashboard displays 'ENGINE POWER REDUCED' message and transmission fault text message sent to owner. Vehicle is limited to 25–30 mph maximum speed. Dealership diagnosed faulty throttle pedal/gas pedal sensor. Owner notes this is a known issue in 2016–2022 models but only certain VINs are covered under recall.
When: During normal driving; diagnosis occurred post-repair; owner is 3,000 miles out of bumper-to-bumper warranty
Symptoms owners cite: Dashboard message 'ENGINE POWER REDUCED'; Text message sent reporting transmission issue; Vehicle maximum speed restricted to 25–30 mph; Engine light illuminated; Vehicle does not accelerate normally
Repairs/costs cited: Dealership replaced gas pedal/throttle sensor for cost exceeding $600. Owner states dealership described this as 'known problem common in 2016–2022' vehicles but did not initiate recall for all vehicles.
Recalls/TSBs owners mention: No universal recall. Only 'certain' VIN numbers covered; owner's 2021 Malibu excluded. Dealership aware of issue as 'known problem' but does not classify as universal defect.
Synthesized from 18 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 6 most recent
Vehicle has a repeated issue recognizing that it is in park when trying to turn vehicle off. This causes concern that the vehicle may not actually be in park, will not fully power down therefore draining the battery and leaving driver stranded, or lead to other body control module/shifting problems. This is a known issue with GM spanning multiple years and multiple models. The only official fix…
When I turn off the car it displays a 'shift to park' message and the car tries to roll if I take my foot off of the brake. My [XXX] was beside the car and was almost run over. This is a problem that the car rolls away. I have to restart the car continuously and toggle the gear shift to get it to stop. It will not let the lights turn off and radio and/or the other components in the car and is…
When trying to turn the car off, it will not allow me, warning light comes on saying shift to park. This has happened several times over the past week. I have to continuously turn the car on and off, put in drive then back to park before the message goes away, allowing me to turn off the car. I am 3k miles out of my bumper to bumper warranty, so the dealership is charging me $500.15 for a new…
Dear NHTSA: I am submitting this complaint because my vehicle, a 2021 Chevrolet Malibu (VIN [XXX] ), is included in Emission Recall N252516900 issued by General Motors concerning the Fuel Pump Power Control Module. Despite that inclusion, I have experienced the following: - A prior near-fatal incident in 2023 when the vehicle unexpectedly shut off while stopped at a red light (engine…
My car has about 82000 miles and while driving it stated that I was shifted to neutral and needed to be restarted. After a few seconds the steering wheel locks up and I can’t press the gas anymore, even though the car is still in drive. This happened about 6 times on the half mile drive home. I haven’t been able to diagnose it yet since the dealership is backed up for a month. I think it’s the…
When I move my car to park and shut off the vehicle it shows a "shift to park" message. This keeps my car from shutting off on a regular basis.
Had electrical trouble with your 2021 Chevrolet Malibu?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the electrical problem on the 2021 Chevrolet Malibu?
It's a meaningful issue. 18 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $850.
At what mileage does the electrical typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2021/Chevrolet/Malibu.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.