Tech Tip: Hyundai MIL On with DTCs Set and Fail Safe Mode, Harsh Engagement
An improperly functioning input speed sensor or output speed sensor may result in the following conditions: Check Engine light on; Harsh P-R or P-D engagement shock; Transaxle in third gear fail-safe; and/or Diagnostic trouble codes.
Tech Tip: Volkswagen MIL is On, with DTCs P0087/P1093 or P2293
The MIL is on, with DTC P0087 (Fuel Rail/System Pressure Too Low), P1093 (Fuel Trim 2, Bank 1 Malfunction) or P2293 (Fuel Pressure Regulator 2 Performance) stored in the ECM’s fault memory. This could be caused by excessive wear of the intake camshaft lobe that drives the high-pressure fuel pump. The wear limits maximum pump piston lift, causing fuel rail pressure fluctuations. The wear on the camshaft lobe can also lead to wear on the base of the high-pressure fuel pump cam follower.
Tool Tip: Diagnosing Subaru’s P0851/P0852 DTCs
The purpose of this bulletin is to assist when diagnosing DTCs P0851 (Neutral Switch Input Circuit Low) and P0852 Neutral Switch Input Circuit High). If you encounter a vehicle with DTC P0851 and/or DTC P0852, use the repair procedure in this Tool Tip.
Tech Tip: Chrysler Vehicle (300/Magnum/Charger) Has Multiple DTCs Set, MIL Illuminated
This bulletin involves repositioning the upstream oxygen (O2) sensor connectors and replacing the wiring harness connector(s) and O2 sensor(s) as necessary.
Tech Tip: Mercedes-Benz Check Engine Light with DTCs P2003, P2047, P0810 and P0814 Stored in Engine ECU
If you receive customer reports in the model vehicles listed below of the check engine light coming on and codes P2003 (M112, M113, M275), P2047 (M271), P0810 (M272, M273) or P0814 (M272, M273) are stored in the engine control module memory, perform the procedure listed in this Tech Tip.
Tech Tip: Kia DTCs P0121/P01121 Set
This bulletin provides information related to the Throttle Position Sensor (TPS) for Sorento and Sedona models. Some Sorento and Sedona vehicles may exhibit diagnostic trouble codes P0121 and/or P1121. This condition mainly occurs in high ambient or desert areas, and can be related to the occasional increase in contact resistance due to excessive wear of the inner elements of the TPS. This bulletin describes the proper service and adjustment procedure for
Tech Tip: Kia MIL Illumination with Front Heated O2 Sensor DTCS
If a 2004-’06 Spectra 2.0L exhibits an MIL on
Tech Tip: VW’s MIL is On, with DTCs P0087/P1093 or P2293
This condition could be caused by excessive wear of the intake camshaft lobe that drives the high pressure fuel pump. The wear limits maximum pump piston lift, causing fuel rail pressure fluctuations. The wear on the camshaft lobe can also lead to wear on the base of the high pressure fuel pump cam follower.
Tech Tip: Toyota MIL On with DTCs Set in Subfreezing Temperatures
Following a cold soak in subfreezing ambient temperatures, some 2003-’08 Corolla and Matrix vehicles equipped with a 1ZZ-FE engine may exhibit an MIL on with one or more of the following DTCs as the result of a vacuum leak at the intake manifold.
Tech Tip: Mercedes-Benz ESP Warning Lamp On/Multiple DTCs Set
Models affected: 163.113/128/154/157/175 VIN range as of 371935 up to 442083 with ESP control unit MK25 If you receive customer reports in the above models of the Electronic Stability Control (ESP) warning lamp being illuminated with the following stored fault codes (listed below), perform the following repair procedure. • C1140 – B34 ESP Brake Pressure