I had limp mode with my ‘97EVC twice and did a whole cleanup of the connectors to battery, ECU, ABS module and also, cleaned the big plug to the transmission.....it helped much ‘cause I don’t have limp mode anymore since that time.....Finally, got a tranny oil and filter change again and my mechanic found a culprit: one of the solenoid connector on the valve body was loose. So he took it off, cleaned it with stuff and curved something around it so it would stay in place without getting loose any more....Since that fix, I never went into limp mode again and I have driven 10,000 miles so far !!! Try to clean everything and also check your valve body carefully ‘cause that’s the one to be suspected....It’s all ELECTRONIC over there and limp mode is caused by ELECTRONIC failure somewhere !!! Good luck...

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Yves

Canada