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Acura

Power Circuit Troubleshooting

This bulletin applies to all Acura vehicles. When troubleshooting DTCs for a solenoid or motor power supply circuit failure, keep in mind that even though the control unit activates these components, the power supplied may come from a dedicated circuit and its own separate fuse.

Acura Cam Thrust

This bulletin applies to 2016-2017 Acura MDX vehicles equipped with a 3.5L engine. According to Acura, “We’re getting reports of reduced engine power with the MIL on. Service techs are seeing DTCP0369 (CMP sensor circuit intermittent interruption) and signs of excessive camshaft end play.

NSX Carbon Ceramic Brakes

This bulletin applies to 2017-2019 Acura NSX sports cars. The optional carbon ceramic brakes for the NSX are unique. To help insure a trouble-free installation, here are some tips:

Acura Brake Pedal Update

If a customer complains of a soft brake pedal or excessive brake pedal travel on a 2019 Acura RDX, be aware that an updated electric brake booster (EBB) software is available.  Update the EBB software using i-HDS software version 1.004.064 or later.

Stuck Acura NSX?

If the 12-volt battery goes dead on a 2017-2019 Acura NSX, or if the vehicle has an electrical or mechanical issue that keeps the transmission from shifting into neutral, the best way to move it is with commercially available car dollies.

Acura VCM Issues

This bulletin applies to 2014-2016 Acura NDX, 2013-2016 RDX, 2014-2016 RLX, 2014 RLX Sport Hybrid and 2016 RLX Sport Hybrid vehicles. While driving under steady cruise between 30 and 65 mph, or during light acceleration, the engine may intermittently run rough with the MIL blinking.

Acura Cam Play

This bulletin applies to 2016-2017 Acura MDX vehicles equipped with a 3.5L engine. Acura notes that they have had reports of reduced engine power with the MIL on (DTC P0369...CMP sensor circuit intermittent interruption) and signs of excessive camshaft end play.

Rattle and Blink

This bulletin applies to 2014-2016 Acura MDX and RLX, 2013-2016 RDX, 2014 and 2016 RLX Sport Hybrid vehicles. When driving under steady cruise between 30 and 65 mph or light acceleration, does the engine intermittently rattle or runs rough with the MIL blinking? Since these driving conditions are likely to activate VCM operation. The probable reason is sticking VCM rocker arms.

Updating Acura Idle

This bulletin applies to 2019 Acura RDX AWD vehicles. If the engine idles rough on cold starts, the engine idle may be set too low. This requires updating the PGM-F1 software using i-HDS software version 1.004.060 or later.