2021 RAM Promaster City: common problems
Owners of the 2021 RAM Promaster City filed 5 complaints with NHTSA, most often about engine and equipment. The maker issued 62 service bulletins for this year. Details by component below, with sources.
Key figures
- Owner complaints
- 5
- Technical service bulletins (TSB)
- 62
What fails most often
- 1 Engine 60% of all complaints
- 2 Equipment 20% of all complaints
- 3 Exterior lighting 20% of all complaints
- 4 Seat belts 20% of all complaints
- Engine: 3 complaints (60% of all); manufacturer bulletins for this component: 2.
- Equipment: 1 complaints (20% of all); manufacturer bulletins for this component: 13.
- Exterior lighting: 1 complaints (20% of all); manufacturer bulletins for this component: 1.
- Seat belts: 1 complaints (20% of all).
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.4 L · petrol · 4 cyl
- automatic, 9-speed
Drive: FWD
Symptoms owners describe
How many of the 5 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Engine | 3 | 0 | 2 |
| Equipment | 1 | 0 | 13 |
| Exterior lighting | 1 | 0 | 1 |
| Seat belts | 1 | 0 | 0 |
| Electrical system | 0 | 0 | 21 |
| Engine and cooling | 0 | 0 | 12 |
| Powertrain | 0 | 0 | 9 |
| Structure | 0 | 0 | 6 |
| Visibility | 0 | 0 | 5 |
| Suspension | 0 | 0 | 4 |
| Latches, locks, linkages | 0 | 0 | 1 |
| Other | 0 | 0 | 3 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Cracked cylinder head requiring full engine replacement at ~80,000 miles. Out of warranty. This is one of two vehicles, purchased at the same time from same dealer in 6/2021 with the same engine failure at ~80,000. Second vehicle is [XXX] .
Engine oil leak at the oil filter. The oil filter monting surface has a defect (not flat) allowing oil to push out. It is currently available for inspection, but it is scheduled to been seen by the dealer to be replaced under warranty. Safety - issue was noticed before enough damage was done to be unsafe.
He then called the dealer and was informed that there was an additional recall on the vehicle for NHTSA Campaign Number: 21V699000 (Seat Belts) however, the parts for the recall repair were not yet available.
Two instances of rooftop tent opening without human interaction. Incident 1 // 9-17-21: Vehicle was parked and the front drivers side latch (attached photo) opened due to gusts of wind.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,688 of 2,102 model years in the NHTSA data (among the 20% least complained about).
On average one model year of the Promaster City has 21 complaints (7 years in the data). This year has 5, below average.
What to check before buying
- Engine. Cold start, unusual noises, oil leaks and engine codes.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Seat belts. Belt pretensioners after airbag deployment, SRS codes.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
Manufacturer service bulletins
Bulletin titles as filed with NHTSA.
- Intermittent Uconnect Box Requires Service Message
TBM Setting Stored Or Pending DTCs B22A9, B1560, B1561, B1562
- 948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator…
948TE Transmission Reaction Shaft Service Bushing Kit Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set the following Diagnostic Trouble Code (DTC): ● P1DB7-00…
- Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle…
Exterior Front Lamps Condensation Clearing Procedure *Some customers may report that on occasion vehicle exterior front lamps (headlamps, fog lamps, grille lamps, logo lamps or signature lamps) assemblies are fogged…
- Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts
- "Shock And Strut Diagnosis And Replacement Guidelines Leaking, noisy, or weak shocks or struts
- Replacement BCM Will Not Proxi Align
- "GENERATOR Engine Prior to alternator/generator removal
1. Inspect & check all electrical connections to the alternator a. 2-way connector containing field control circuit & alternator sense voltage circuit. b. Unplug & plug-in the 2-way connector for field & sense circuit…
- Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC)…
Start Stop Charging Warning Lamp Illuminated On, Intelligent Battery Sensor (IBS) State of Charge (SOC) Inaccurate, Battery Charging Message, Presence of IBS related Diagnostic Trouble Codes (DTCs), or Battery Warning…
- Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair…
Connector kit Before ordering this connector repair kit 68018957A$, check it in the Mopar Connector Repair Kit Website to confirm part number and applicability. There is an error with the wiring diagrams in Service…
- LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is…
LIFTER, Hydraulic Roller Deactivating Please do not replace MDS lifters because the disconnecting pin is not lined up, this is normal and not a defect.
- A/C Diagnostic LOP Change
- FCA Caribbean Warranty Bulletin ID-23-20 "Can / Am" Warranty Coverage - 594 / 595 / 596 WCC
NHTSA lists 62 bulletins for this year; the 12 newest are shown here.
Other years of this model
Questions and answers
What are the most common problems with the 2021 RAM Promaster City?
Owner complaints to NHTSA most often mention: engine, equipment, exterior lighting. Total complaints: 5. The most frequent symptoms in complaint texts: engine failure or replacement (60%), oil leak or consumption (20%), seat belts (20%).
How many service bulletins (TSB) were issued for the 2021 RAM Promaster City?
NHTSA lists 62 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2021 RAM Promaster City from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2021 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-04.