Electrical System Related Problems of the 2020 Acura MDX

Table 1 shows three common electrical system related problems of the 2020 Acura MDX. The number one most common problem is related to the electrical system (34 problems). The second most common problem is related to the alternator/generator/regulator (one problem).

Table 1. Electrical System related problems of Acura MDX


Recently reported Electrical System problems of the 2020 Acura MDX

The Electrical System problem

During the summer of 2025, the auto idle engine railed to restart while at a stop light. We had to shut off and restart the car. We took it to the car dealer and they did some sort of software update. It happened again in January 2026 while at a stop light off a highway exit ramp.   Read details...

The Alternator/generator/regulator problem

The contact owns a 2020 Acura Mdx. The contact stated while coming to a complete stop, the vehicle started to stall. The contact stated that after the vehicle came to a stop, the vehicle would not turn on until after several seconds. There were no warning lights illuminated.   Read details...

The Starter problem

The contact owns a 2020 Acura Mdx. The contact stated that while at a stoplight, the vehicle shut off and failed to immediately restart after releasing the brake pedal. The contact stated that the failure had occurred on several occasions.   Read details...


Electrical System related problems in other Acura MDX model year vehicles:



MDX Service Bulletins
MDX Safety Recalls
MDX Defect Investigations