WebMay 22, 2012 · Pull the "PCM BATT (might be labled PCM1)" or "PCM IGN (might be labled PCM2)" fuse. Wait 30 seconds or so. Turn off the key. Replace the fuses. However, if you really have a problem, you're going to get the codes again and might want to have someone scan the codes for you. Auto Zone is a good place to go have it done. WebJan 20, 2024 · this fix can be applied to a lot of vehicles with emissions fuses running from the PCM. If you are experiencing this problem hope this is your fix!
Blown ECM-B fuse - Car Forums and Automotive Chat
WebJul 17, 2024 · Disconnect the negative battery terminal and then locate the larger orange wire which is attached to the PCM. That provides battery voltage to the module. Follow that wire back to the fuse box and inspect … WebOct 28, 2024 · Whatever charge that blew the fuse came from the PWR/TRN relay. Re-connected all the plug/harness for Pink/Blk wires. Removed the PWR/TRN relay and turned the key to"ON" position. No ECM1 pop!!!! Need to understand what makes the PWR/TRN to blow the ECM1 fuse. PWR/TRN Relay –-> ECM 1, EMISSION 1, EMISSION 2, EVEN … fetch ignore ssl
Solved - The PCM fuse keeps blowing out. The bad wiring was …
WebSep 19, 2024 · The thing you disconnect when the meter changes will be where your problem is. When you pulled the fuse under the dash, you disabled the PCM power relay, so there was no load on the 30A underhood fuse, which would explain it not blowing out. BTW, the fuse for the PCM is supposed to be a 30A not 20A. Maybe someone put the … WebJan 26, 2015 · Its that fuse just below the PCM Diode that keeps blowing. Now the link I found this picture on said that fuse powers some wire that powers those relays on the right along with fuel pump, coil, a few other things. So what I tried it pulling out the other relays and fuses and one by one re-inserting until I got another blown PCM fuse. WebAug 26, 2011 · 1987 - 1996 F150 & Larger F-Series Trucks - 96 F-250 HEAVY DUTY - keeps cutting off and blowing pcm fuse - hello, i have a 1996 ford f-250 heavy duty with the dual tanks the front fuel pump went, and i have been running off the rear fuel pump for awhile now. well the other day the fuel pump fir the rear just cut off... fetch if else condition