Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 2 reports include usable mileage. There isn’t enough coverage to show a useful chart.
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.
Equipment. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Structure. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
2 reports
Mileage unknown · Apr 7, 2010
EquipmentUnknown Or Other
1981 PLYMOUTH RELIANT K-CAR. CONSUMER STATES ACCELERATOR PROBLEMS. *TGW THE CONSUMER STATED HIS PARENTS PURCHASED THE ABOVE MENTIONED VEHICLE. BUT, SINCE HE DID MOST OF THE DRIVING, HE ASKED THEM IF HE COULD INSTALL CRUISE CONTROL. HE THEN PURCHASED IT AND INSTALLED IT HIMSELF. THE UNIT RECEIVED ITS CONTROL PULSES FROM MAGNE…
Read full complaint
1981 PLYMOUTH RELIANT K-CAR. CONSUMER STATES ACCELERATOR PROBLEMS. *TGW THE CONSUMER STATED HIS PARENTS PURCHASED THE ABOVE MENTIONED VEHICLE. BUT, SINCE HE DID MOST OF THE DRIVING, HE ASKED THEM IF HE COULD INSTALL CRUISE CONTROL. HE THEN PURCHASED IT AND INSTALLED IT HIMSELF. THE UNIT RECEIVED ITS CONTROL PULSES FROM MAGNETS AROUND THE DRIVE SHAFT, WITH A MAGNETIC PICK UP SENSOR. AFTER ABOUT EIGHT MONTHS, THE UNIT HE INSTALLED STARTED TO ACT ERRATIC. SOMETIMES HE WOULD SET THE CRUISE SPEED, BUT WHEN HE APPROACHED TRAFFIC, HE TAPPED THE CANCEL BUTTON, THE VEHICLE WOULD CONTINUE TO SPEED UP. THERE WAS NO EFFECT WHEN APPLYING THE BRAKE PEDAL. THE CONSUMER THEN PURCHASED ANOTHER CRUISE CONTROL UNIT AND EXPERIENCED THE SAME PROBLEM.
NHTSA ODI #10323176
Mileage unknown · Jan 5, 1995
Structure
DEATH RESULTED FROM SIDE IMPACT, ATTORNEY FOR CLIENT. *AW
THE AUTOMATIC SPEED CONTROL SWITCH MAY STICK IN THE "RESUME" POSITION RESTRICTING RETURN MOVEMENT. THIS WILL NOT ALLOW THE NORMAL BRAKE PEDAL OPERATION TO DEACTIVATE THE SYSTEM.
Consequence & remedy
Consequence: Not supplied
Remedy: THE SHIELD PORTION OF THE "RESUME" SLIDE LEVER IN THE SPEED CONTROL UNIT WILL BE REPLACED WITHOUT CHARGE.
THE STOP LAMP SWITCHES INSTALLED ON THE SUBJECT VEHICLES MAY HAVE INADEQUATE INTERNAL SWITCH CONTACT PRESSURE DUE TO AN INCORRECT FORMATION OF THE SWITCH CONTACT TERMINALS. THIS LACK OF SWITCH CONTACT CONTINUITY MAY RENDER THE (STOP) BRAKE WARNING LIGHTS INOPERATIVE.
Consequence & remedy
Consequence: Not supplied
Remedy: THE STOP LAMP SWITCHES ON ALL INVOLVED VEHICLES WILL BE REPLACED AND PROPERLY FORMED TERMINALS WILL BE INSTALLED AT NO COST TO OWNER.
BRAKE FLUID MAY CONTAIN AN EXCESSIVE AMOUNT OF WATER. THIS CAN CAUSE DEGRADATION OF BRAKING PERFORMANCE OR BRAKE FAILURE UNDER A VARIETY OF CIRCUMSTANCES.
Consequence & remedy
Consequence: Not supplied
Remedy: EXISTING BRAKE FLUID WILL BE REMOVED FROM BRAKE SYSTEM AND BRAKE SYSTEM WILL BE REFILLED WITH FRESH BRAKE FLUID.
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
4
EA91010 · Trans Park System Failure
Opened Dec 10, 1990 · Closed Dec 31, 1991
Status: closed (inferred from source dates) · Power Train
There is no summary currently available
PE89093 · Frame Corrosion
Opened Mar 1, 1989 · Closed Mar 29, 1989
Status: closed (inferred from source dates) · Suspension
===
DP86010 · Frame And Chassis Components
Opened May 21, 1986 · Closed Aug 20, 1986
Status: closed (inferred from source dates) · Unknown Or Other
FRAME AND CHASSIS COMPONENTS
PE85011 · Engine Compartment Fires
Opened Nov 14, 1984 · Closed Jul 31, 1985
Status: closed (inferred from source dates) · Engine And Engine Cooling
There is no summary currently available
1981 Plymouth Reliant Problems, Complaints & Recalls | Skip That Year