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What does honda dtcp 1259 mean - Accord Honda Cars & Trucks

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Do you mean dtc code p1259 which is (P1259 Immobilizer to PCM Signal Error)

Posted on Aug 30, 2010

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My AllData software indicates that P1259 is a VTEC [variable valve timing] system malfunction code, not an immobilzer [anti-theft] code.

Posted on Dec 31, 2011

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Vtec malfunction , check oil level make sure your using the right wieght oil , also.
its either the pressure switch or the solenoid , you would need a scan tool to see if they are working .

Posted on Aug 06, 2012

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1 Answer

CODE 1259 HONDA 2003 CRV

Need to pull the code. Also what color is the smoke.

Jul 28, 2016 | 2003 Honda CR-V

1 Answer

My 1998 honda accord check engine light Is on. And there are two p codes 1259 and 1456. how to fix?

Fuel filler cap is loose. 1456

Tighten *at least SIX* clicks. Wait three engine on-off cycles. Light
should go off.

If it does not go off, the cap may not fit tightly enough for a proper
seal. Replace cap. Occasionally, the threads in the filler necks can be
damaged, preventing the cap from being properly tightened.

"P.O. 1259 - VTEC malfunction
this should help

Aug 18, 2010 | 1998 Honda Accord

2 Answers

Code is P 1259 When you are driving the RPM's go

Is this a stander transmission, if so could be your transmission clutch slipping, could be worn. have it check out, you know as i do, that high rpm's will damage your engine.

Jul 16, 2010 | 1999 Honda Accord

1 Answer


I believe this is a code the VTech engines will set if a oil solenoid valve doesn't open in the cylinder head to provide extra oiling when the engine RPM's exceed 4k. The best I recall the valve in the head is usually faulty if this code is present.

Jun 14, 2010 | 2002 Honda Accord

1 Answer


Code 1259 is vtec system malfunction, in other words, it's a variable valve timing and lift electronic control. It's honda's system used to control the rate of engine valves to open and close. Need to take it to a shop or dealer to have that checked out.

Nov 20, 2009 | 1998 Honda Accord

1 Answer

Code 1259 what does it mean?

the p1259 code in the Honda's is a manufactures specific code for the fuel metering system, also known as the heated O2 sensor. if this is a 4 cylinder it will be the sensors after the catalytic converter, however with either engine DO NOT just start replacing the sensors without having them checked, there is a lot of small things in the system that can cause this code such as a blown fuse, damaged wires, etc. the sensors are expensive so have it checked and verified first.

Oct 09, 2009 | 2000 Honda Accord

1 Answer

98 Honda Accord LX CODE 1259

Code 1259 indicates a V-tec system malfuntion assuming your Honda isn't a DX? Disconnect the negative battery cable so that you can clear the code. If code returns, try cleaning and/or replacing the V-tec pressure sensor. I heard of someone that had the same 4000 rpm problem you speak of and this is where they solved their problem. Good luck to you.

Apr 09, 2009 | 1998 Honda Accord

1 Answer

Codes for trouble shooting

1259 = is a V-tech problem

1298 = Electrical Load Detector circuit high voltage. You need to check/test the ELD and its wiring circuit

Mar 06, 2009 | 1998 Honda Accord

1 Answer

2001 honda civic obd code

reset the ecu pull #6 fuse 15a for 10 msec. check oil level fill if needed. start engine hold at 3 grand for at least 2 sec road test if still comes back 1259 repeat 2 times. If it is gone it is intermit problem check for loose terminals at VTEC solenoid vavle oil pressure switch and the ECM/PCM. If you still have the code turn ignition off remove resonator disconnect the VTEC oil pressure switch 2p connector check for contnuity between VTEC oilpress switch terminals 1 and 2 if none replace the oil pressure switch. if yes measure voltage between ECM/PCM connector B9 and body ground. Voltage? repair open wire between B9 and the oil pressure switch. If no than the ECM/PCM will need to be checked for the latest software and reprogrammed to be further diaged. This will only be able to bedone at the dealer.

Mar 02, 2009 | 2001 Honda Civic

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