EBCM (or not)
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Joined: May 2021
Posts: 64
Likes: 8
From: North Gower. Ontario
EBCM (or not)
Hello again.
Struggling with an issue with my 03z, it started with once in a blue moon I would get a reduced power active handling error message, I would pull the EBCM connector and plug it back again and everything would go back to normal. recently it would pull out that trick too often so I decided to resolder the relay in the EBCM (the Fix!) and now reduced power is permanent, I never checked for codes up until now and I might have barked on the wrong tree here, the codes I get now are P1220, P1221 and P1278.
My EBCM is open in front of me and don`t want close it with rtv before I test it somehow. any ideas, maybe a way to test the relay in the EBCM before I close it permanently. I guess my problem has to do with the TPS or something like that.
Struggling with an issue with my 03z, it started with once in a blue moon I would get a reduced power active handling error message, I would pull the EBCM connector and plug it back again and everything would go back to normal. recently it would pull out that trick too often so I decided to resolder the relay in the EBCM (the Fix!) and now reduced power is permanent, I never checked for codes up until now and I might have barked on the wrong tree here, the codes I get now are P1220, P1221 and P1278.
My EBCM is open in front of me and don`t want close it with rtv before I test it somehow. any ideas, maybe a way to test the relay in the EBCM before I close it permanently. I guess my problem has to do with the TPS or something like that.
Pro
Joined: Dec 2013
Posts: 627
Likes: 181
From: west coast of Canada
All I can offer is this, don't know where you have to take it from here.P1220
THROTTLE POSITION (TP) SENSOR 2 CIRCUIT
P1221
THROTTLE POSITION (TP) SENSOR 1? 2 CORRELATION
P1258
ENGINE COOLANT OVER TEMPERATURE ? PROTECTION MODE ACTIVE
THROTTLE POSITION (TP) SENSOR 2 CIRCUIT
P1221
THROTTLE POSITION (TP) SENSOR 1? 2 CORRELATION
P1258
ENGINE COOLANT OVER TEMPERATURE ? PROTECTION MODE ACTIVE
Burning Brakes
Joined: Sep 2014
Posts: 772
Likes: 98
From: carroll ohio
I know this is a long shot but this is what happened to me with the same reduced power. I called my mechanic friend and explained to him where I was and what happened and he said with cars that sit all winter like mine and are driven for pleasure off and on like mine that gunk builds up behind the throttle body blade. he said to clean it out. there was gunk there on mine and I cleaned it out and no more problems. it just builds up over time. maybe this will work.
