Question about 2000 Honda Odyssey
I'm not sure why you got that code definition. P1259 in the factory manual reads, "VTEC system malfunction". According to the manual you are supposed to reset the powertrain control module (PCM) then road test--accelerating in first gear to over 4000 rpm and hold that rpm for at least two seconds. If the code does not repeat then do the road test two more times just to be sure. If the code does repeat during the three acceleration tests, then the VTEC pressure switch and solenoid valve should be checked. If the code does not repeat during the three acceleration tests, then the system had an intermittant fault. As for the TCS light being on, I know this may sound simple but is the TCS switch off? If it is, that will cause the light to come on. The TCS light is more applicable to an ABS brake system problem. If the transmission has a fault, you should see a diagnostic code that begins with P07xx or P17xx. The green D4 drive light may also blink. Based on your symptoms of excessive shock in 1-2 upshifts, the book suggests the shift solenoid valve C could be defective, or the 2nd clutch pressure switch or the circuit could be defective, or there could be foreign material in the separator plate orifice, or seven other possible causes. I would suggest clearing the code and replacing the transmission fluid with genuine Honda fluid and then see if the code and the symptoms return.
Posted on Jul 15, 2009
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Posted on Jan 02, 2017
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