What is a C1xxx DTC code?

If you get a code B1231 – Crash detected, event threshold exceeded, this means the vehicle was in an accident and it has crash data stored in the ACM airbag ... Diagnostic Aids: Diagnose any MAP, MAF, or TP circuit DTCs first. Drive the vehicle and exercise the throttle and the TP sensor in all gears. A TP PID less than ... Aug 15, 2011 ... The code indicates that the O2 sensors are not reaching the maximum voltage the PCM looks for. OR that the voltage is consistently below 200 mV. Explanation of OBD-II diagnostic trouble codes (DTCs) · 1 = Fuel and Air Metering · 2 = Fuel and Air Metering (injector circuit malfunction specific) · 3 = ... Sep 26, 2018 ... This DTC indicates there are no problems in the brake system. The body control module, engine control module, and transmission control module ... Aug 17, 2018 ... Slipped reluctor wheel, its very common on the 10-12 v6's. Simply pull the oil pan and check it. PaulsSS is offline. PaulsSS. View Public ... Nov 9, 2022 ... DTCs (Diagnostic Trouble Codes) are the main diagnostic malfunction output for your vehicle. Learn more about DTCs here. Oct 27, 2011 ... No, minor non emissions related codes will not always activate the check engine light. There are hundreds of possible codes, ... Apr 2, 2020 ... Diagnostic trouble codes or DTC's are used to diagnose vehicle issues. For example, when you see that check engine light on your vehicle, these codes are used ... If you have access to an OBD-II scanner, feel free to search our database so you can get a better idea what might be wrong with your vehicle.