TeChnICal ServICe
bulleTInS
MAZDA
ACURA
LOW-SPEED SURGE
ACURA RDX ROUGH IDLE
Some 2019-2020 Mazda3 and CX-5 owners may complain about surging at low speeds. This condition may be caused by torque fluctuation and torsional resonance in the torque convertor.
Have a rough idle on a 2019 Acura RDX? Before you waste time inspecting and diagnosing, the engine idle may simply be set too low. Acura recommends updating the PGM-FI software using version 1.004.060 or later.
Information courtesy of Mitchell 1
BMW
ROTOR RESURFACING Technicians might not be able to resurface brake rotors on certain 2018-2020 BMW G12, G14 and G15 models using ProCut PRM9.2 or X9 brake lathes. An upgraded lathe package, including a modified gearbox, is now available to address the issue.
DODGE
EASY RAM FIX PORSCHE This bulletin applies to 2019 RAM ProMaster City vehicles equipped with a 2.4L Multiair engine. The MIL may be on and you may find DTC P018C (fuel pressure sensor circuit low). This applies to vehicles built on or after August3, 2018, and on or before Aug, 13, 2018. This may require replacement of the fuel pressure sensor and line. The combination fuel pressure sensor and line is available as a single unit. Sensor or line are not available separately. The assembly is available as P/N 68338428AA. Replacement time should be about a half-hour. 38
GENERATOR MALFUNCTION CHEVROLET This bulletin applies to 2007 and later Porsche Boxter, Cayman and Carrera vehicles. As of 2007, these cars’ generators must be evaluated as functioning correctly. The DME controller temperature should always be checked before measuring voltage and must be at a maximum of 135 degrees Celsius. If this temperature is exceeded, an incorrect measured voltage value will be determined. Electrical generator faults will be stored as fault codes in the DME control unit.
SPARK TRANSMISSION FIX This bulletin applies to 2014-2019 Chevy Sparks equipped with CVY7 automatic transmissions that may underperform. This condition may be caused by the transmission fluid pressure switch being contaminated with debris coming from the valve body. Clear the codes and road test the vehicle. If DTCs do not reset, no repairs are necessary. If DTCs do set, replace the fluid pressure switch.
ASP | FEBRUARY 2021
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2/3/21 8:36 AM
