TSB A13-021 — Honda Service bulletin

A13-021 is a service bulletin on file with NHTSA for 3 Honda models, 2004–2008 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. "SERVICE BULLETIN - THE MIL COMES ON WITH ONE OF THESE DTCS: • P2646/P2651 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE). • P2647/P2652 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT HIGH VOLTAGE). NOTE: THE SYMPTOM MAY BE INTERMITTENT AND YOU MAY NOT BE ABLE TO DUPLICATE IT…

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
3Vehicles named
5Model years

Vehicles and model years A13-021 names

VehicleModel years
Honda CR-V 2006
Honda Element 2004, 2005, 2006, 2007, 2008
Honda Fit 2007, 2008

Every document filed under A13-021

Document IDFiledType
A13-021 September 16, 2015 Service bulletin

What A13-021 covers

Engine — the component vocabulary NHTSA files this communication under.

← All Honda CR-V TSB years TSB lookup by model

Questions buyers ask

What is TSB A13-021?

A13-021 is a service bulletin filed with NHTSA by Honda, covering 3 Honda models across the 2004–2008 model years. NHTSA's summary reads: "SERVICE BULLETIN - THE MIL COMES ON WITH ONE OF THESE DTCS: • P2646/P2651 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT LOW VOLTAGE). • P2647/P2652 (ROCKER ARM OIL PRESSURE SWITCH CIRCUIT HIGH VOLTAGE). NOTE: THE SYMPTOM MAY BE INTERMITTENT AND YOU MAY NOT BE ABLE TO DUPLICATE IT…

Which vehicles does A13-021 cover?

NHTSA's file names Honda CR-V (2006); Honda Element (2004–2008); Honda Fit (2007–2008). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB A13-021 a recall, and is the repair free?

No. A13-021 is repair guidance the manufacturer sent its dealers, not a safety defect finding. You pay for the work unless the vehicle is still under warranty. Recall repairs, by contrast, are always free.

How do I get the full text of A13-021?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under A13-021, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under A13-021. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.