Nissan Tech Tip: Permanent DTC (P-DTC) Information
Starting with 2010 Model Year, Nissan vehicles have been gradually incorporating a new type of DTC known as “Permanent DTC or P-DTC.” If a vehicle is equipped with P-DTCs, all emission-related DTCs will also set a P-DTC if the MIL is turned on.
Mercedes-Benz Tech Tip: Howling Noise From Rear At 50-70 MPH
Vehicle owners may complain of a howling noise in the drivetrain in the area of the rear axle between 80 km/h and 110 km/h (50 mph to 70 mph). The cause could be resonance in the drivetrain stimulated by the meshing of the gear set in the rear axle differential (drive pinion/ring gear).
BMW Tech Tip: Windshield Washer Jets Spray Little To No Fluid
If the window washer fluid jets spray a very low volume of fluid or no fluid at all, there are three possible causes.
Infiniti Tech Tip: Cruise Control Will Not Set And DTC P0605 Is Set
Improper adjustment or operation of the ASCD brake switch can cause the Automatic Speed Control Device (ASCD) to “not set” and/or DTC P0605 (ECM) to store. If a malfunction in the ASCD system is detected, the CRUISE indicator may stay ON and the “SET” indicator may flash.
Hyundai Tech Tip: Engine Vibration Due To Misaligned Timing Marks On The Oil Pump
This bulletin provides information regarding the proper indexing of the timing marks of the Oil Pump Module during in-vehicle installation, specifically on vehicles equipped with Theta four-cylinder engines.
Hyundai Tech Tip: Fuel Sender Circuit Checks
Some customers may complain of an erratic or unresponsive fuel gauge or a fuel gauge that does not reach the full level after filling the fuel tank.
Nissan Tech Tip: TPMS Diagnostics
If the TPMS/LTPWS warning light is illuminated (continuously or flashing), the TPMS/LTPWS system can be diagnosed by turning the ignition to the “OFF” and then to the “ON” position. If the TPMS/LTPWS warning light is continuously illuminated (not flashing), the TPMS/LTPWS is operating normally and has detected low tire pressure in one of the tires.
Subaru Tech Tip: Front Crankshaft Oil Seal Replacement Tip
Subaru has updated the procedures and tools needed to enhance retention of the oil seal and eliminate any chance of blocking the oil return passages in the timing chain cover.
Kia Tech Tip: Poor Windshield Washer Performance
Possible foreign debris can accumulate on the windshield washer pump inlet filter and cause a weak spray. Over time, this can cause some Kia vehicles to exhibit a limited application of windshield washer fluid when the washer function is used.
Mercedes-Benz Tech Tip: Clunking Noises Heard During Acceleration And Throttle Lift Off
Owners of Mercedes-Benz cars with front-wheel drive and 4×4 vehicles, may complain of a single throttle lift-off clunking noise from the side shaft when first taking off (audible at the outboard end). Also, the clunk is heard once when changing from forward to reverse.
BMW Tech Tip: Malfunctioning Steering Wheel Buttons
The customer may report a sporadic or continuous malfunction of the multifunction steering wheel buttons, and a message saying “Cruise control without function.”
Land Rover Tech Tip: 2013-’17 Range Rover With Dynamic Response Suspension
A squeak, creak and/or a knocking noise from the front of the vehicle may be evident when driving over rough terrain. This may be caused by debris that’s contaminating the contact face between the Dynamic Response front stabilizer bar and bushings.
