SES and CAGS
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Joined: Jun 2002
Posts: 5
SES and CAGS
Help! I recentlly sent out my PCM for reproggraming due to the heads and cam install, when I reinstalled the PCM my SES light came on. My scan tool shows a DTC PC 1657 code my skip shift solinoid. I tried unpluggig it, I tried using a 2.2k ohm resistor and clearing it with my scan tool with no luck. I measured 12 volts at the solinoid so I think the circuit is working. When I install my OBD 1 (conversion) I have no SES. How do I get rid of the code and shut off my SES so I can get a inspection sticker in MA. Thanks.
P.S this is my first post
P.S this is my first post
Registered User
Joined: Nov 1998
Posts: 72
From: Ft. Myers, FL
Hello Rich and welcome to the board. What scan tool do you use? I use AutoTap and it will also show you the freeze frame data. This can sometimes help in locating the problem. Who did the programming for your OBDII pcm? They should have disabled this DTC for you as it is very easy to do. Have you tried unhooking the battery power after you switch your OBDII pcm back in as this will also clear the DTC provided you either have the resistor mod. or CAGS harness plugged back in (unplugged harness=DTC).
HTH,
Kenny
HTH,
Kenny
Thread Starter
Registered User
Joined: Jun 2002
Posts: 5
PCMFORLESS did the programming on my OBD 2 as well as my obd 1 conversion, so I have 2 PCMs one for emmissions and the OBD1 for performance. Bryan said that the limits should not be the problem. The scan tool that I use is a Actron hand held scanner it just reads codes. I have disconnected the battery and the same thing happens "the SES light returns after I start the engine with the cags or the resistor plugged in. Thanks for your help!
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Joined: Nov 1998
Posts: 71,097
From: Hell was full so they sent me to NJ
There is no SES light in the OBD-I PCM for skip shift. Sets DTC 84, but does not turn on the SES light. That explains why you have no light when you plug in the OBD-I PCM. Did you scan the OBD-I PCM for codes? Was DTC 84 there?
Next, since you appear to have +12V power to the circuit, check the connector at the PCM... perhaps the wire for the skip shift is loose or the pin is damaged and not making good contact.
Have you tried to verify that you get a "ground" at the solenoid connector when the PCM tries to activate skip shift?
Next, since you appear to have +12V power to the circuit, check the connector at the PCM... perhaps the wire for the skip shift is loose or the pin is damaged and not making good contact.
Have you tried to verify that you get a "ground" at the solenoid connector when the PCM tries to activate skip shift?
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