Volkswagen: DTCs 00545/00638 Stored

Volkswagen: DTCs 00545/00638 Stored

If DTCs 00545/00638 are stored on a 2003 Passat Sedan 4Motion, the problem may be caused by:

• Incorrect Engine Control Module (ECM) coding (codeable ECM only);
• Wiring harness and/or connections between the Transmission Control Module (TCM) and ECM;
• Malfunctioning ECM;
• Intermittent continuity in the engine harness.
• Poor engine compartment ground (GND).

Service Procedure:
If the vehicle exhibits this condition, use the table as a guide for repairs. Erase the DTC memory, road-test the vehicle and recheck for any stored DTCs.

Courtesy of ALLDATA.

You May Also Like

Standard Motor Products Announces 123 New Numbers

The release provides new coverage in 53 distinct product categories and 47 part numbers for 2023 and 2024 model-year vehicles.

Standard Motor Products, Inc. (SMP) announced the introduction of 123 new part numbers in its March new number announcement. The release provides new coverage in 53 distinct product categories and 47 part numbers for 2023 and 2024 model-year vehicles.

Internal Combustion Engine (ICE) Segment

Standard’s Fuel Injection program has expanded with eight GDI High-Pressure Fuel Pumps and GDI High-Pressure Fuel Pump Kits. Standard’s line of Variable Valve Timing components also grows with this release. VVT Sprockets have been added for Ford vehicles through 2023, and VVT Solenoids are new for General Motors vehicles. Oil Filter Housing Assemblies are new for popular European vehicles, and Oil Coolers have been added for Nissan and Subaru vehicles. Adding to Standard’s extensive Electronic Throttle Body program, new numbers have been introduced for the 2022 Ford Bronco Sport and 2022-20 Ford Escape, the company said.

BendPak Founder Don Henthorn Passes Away

Grew company from small machine shop to global leader in car lifts and garage equipment.

ASE Practice Tests Available Online

You can get a good idea of what to expect by adding the official ASE practice tests to their study plans.

AACF Celebrates 65 Years Serving the Aftermarket

AACF will be announcing more details about this commemorative fundraiser April 1st.

ASE Education Foundation, Goodguys Continue Partnership

Goodguys is one of many industry relationships the foundation has developed to help solve the technician shortage.

Other Posts

Exhaust Gas Recirculation Operation and Diagnosis

Since exhaust gas does not burn, this lowers the combustion temperatures and reduces NOx emissions from the engine.

Timing BMW VANOS N53 And N54 

To service them, you will need the appropriate toolset to lock the crank and camshaft.

Don’t Miss The April Digital Edition of ShopOwner

The April issue includes technical and management content and is free to download.

VW/Audi PCV Service

The PCV valve regulates the flow of gases from the crankcase.