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Jeep 2010 Wrangler P2004 and the ABS code C121C were shown by my code reader. The engine won't reset and is currently in limp home mode. I cleared every error code. I continue to receive the P2004 and C121C errors, the car is in limp-home mode, and the brakes are quite stiff. While idle, the engine surges from around 1000 RPM to roughly 2000 RPM.
Is it possible to reset this with a better code reader? Both the PCM and the ABS module replacement cost over $500 apiece, according to the C121C code. Did draining the battery harm each of these parts? All suggestions are welcome.
Topic starter
Posted : 09/30/2022 3:20 pm
Thank you for your inquiry. We do repair ABS control modules Here is the link https://www.upfix.com/product-category/repair-return/abs-modules-repair/
Posted : 09/30/2022 3:20 pm