What causes a Honda VTEC code p1259?

What causes a Honda VTEC code p1259?

Nonetheless, some other common causes of code P1259 could include the following- Failed or failing PCM, but note that since this a rare event, the fault must be sought elsewhere before any control module is replaced

What does OBD 2 fault code p1259 mean?

What Does Code P1259 Mean? OBD II fault code P1259 is a manufacturer specific code that is defined by carmaker Honda as “VTEC System Circuit Fault (Bank 1)”, and is set on these applications when the PCM (Powertrain Control Module) detects a defect, malfunction, or failure in the electrical control/monitoring system of the VTEC mechanism on Bank 1.

What causes a VTEC system to malfunction?

NOTE: While there are some exceptions, the general rule is that if the code sets at, or just above idling speeds, the fault is caused by a general electrical issue, while if the code sets above about 4000 RPM, the fault almost invariably involves insufficient oil pressure, or a failure of the VTEC oil pressure sensor. None found.

What is the trouble code for Honda VTEC?

P1259 – VTEC system malfunction (Honda) Trouble Code Fault Location Probable Cause P1259 VTEC system malfunction Wiring, VTEC solenoid/pressure switch, E

Nonetheless, some other common causes of code P1259 could include the following- Failed or failing PCM, but note that since this a rare event, the fault must be sought elsewhere before any control module is replaced

What Does Code P1259 Mean? OBD II fault code P1259 is a manufacturer specific code that is defined by carmaker Honda as “VTEC System Circuit Fault (Bank 1)”, and is set on these applications when the PCM (Powertrain Control Module) detects a defect, malfunction, or failure in the electrical control/monitoring system of the VTEC mechanism on Bank 1.

NOTE: While there are some exceptions, the general rule is that if the code sets at, or just above idling speeds, the fault is caused by a general electrical issue, while if the code sets above about 4000 RPM, the fault almost invariably involves insufficient oil pressure, or a failure of the VTEC oil pressure sensor. None found.