Honda 21-01 ◆

2004 Honda Pilot ABS Sensor Code 21-01 Diagnosis - JustAnswer

For the Honda ST1300AE , the section E-21-01 refers specifically to the throttle body assembly, including starter shafts and lever sets.

To find the exact documentation for your vehicle, you can search for your specific model's Honda Owner's Manual or use the Honda Recall Lookup tool with your VIN. Service Bulletin - nhtsa honda 21-01

The term typically refers to specific technical identifiers used within Honda’s service and parts infrastructure. Most commonly, it appears as a prefix for Service Bulletins (TSBs) issued in 2021, a specific ABS Diagnostic Trouble Code (DTC) , or a Parts Category in motorcycle microfiches. 1. Honda Service Bulletins (21-01x Series)

: In some contexts, it refers to a VTEC solenoid failure , where the solenoid sticks due to oil sludge or electrical faults, leading to poor engine performance. 2004 Honda Pilot ABS Sensor Code 21-01 Diagnosis

This bulletin addresses a warranty extension for vehicles where the Malfunction Indicator Light (MIL) comes on with DTCs P0420/P0430 (catalytic converter efficiency), P030x (engine misfire), or P219A/B (air-fuel ratio imbalance). It provides a repair path for owners dealing with these persistent engine performance codes.

The information provided "honda 21-01" seems to be related to a specific model or a project within Honda, but without more context, it's challenging to provide a detailed write-up. However, I can offer some general information based on possible interpretations: Most commonly, it appears as a prefix for

Service manuals often group parts by location; Section 21 typically covers specific internal engine or transmission components depending on the model. Summary of Common "21-01" References Likely Meaning Action Required Engine/MIL Bulletin 21-010 Check for warranty extension on catalytic/misfire codes. Audio/Display Bulletin 21-012 Inspect MOST bus connectors for "crackling" sound. ABS Light Inspect the left front wheel speed sensor and harness. Motorcycle Parts Catalog E-21-01 Look for throttle body or fuel system components.

Honda 21-01 addresses a manufacturing defect in the low-pressure fuel pump manufactured by . The impeller (a plastic turbine inside the pump) was improperly molded. Due to low-density packing during production, the impeller absorbs moisture, swells, and deforms upon contact with fuel.

Code 21-01 often indicates a failure or signal malfunction with the Left Front ABS Wheel Speed Sensor .