Honda P2646, P2651, P2647, P2652

Honda P2646, P2651, P2647, P2652 and Honda rocker arm oil pressure codes

Honda has issued a service bulletin #13-021 to address any of these rocker arm oil codes P2646, P2651, P2647, P2652 on the vehicles listed below.

The trouble codes may be intermittent and not all codes may be stored in the PCM. You may not be able to clear the codes. Honda has determined that the rocker arm oil pressure switch may fail intermittently.

VEHICLES AFFECTED

2003–12 Accord L4 – ALL

2002–05 Civic Si – ALL

2002–09 CR-V – ALL

2011 CR-Z – ALL

2003–11 Element – ALL

2007–11 Fit – ALL

2012–13 Civic – ALL except Si and Hybrid

Honda has issued a revised rocker arm oil pressure switch

37250-PNE-G01
rocker arm oil pressure switch

Rocker Arm Oil Pressure Switch:

#37250-PNE-G01 (All except 2012–13 Civic)

#37250-R1A-A01 (ONLY for 2012–13 Civic)

O-ring (13 mm X 1.5 mm):

# 91319-PAA-A01

©, 2015 Rick Muscoplat