Chevrolet P1218: Injection Pump Calibration Circuit Malfunction
Is your scanner showing Chevrolet P1218?
No worries. We'll show you what it means and how to deal with it.
Chevrolet P1218: Injection Pump Calibration Circuit Malfunction
OVERVIEWWhat Does The Chevrolet P1218 Code Mean?
Key on or engine running; and the PCM did not detect the correct current valid resistor value, or it determined that it was unable to read the current resistor value during the CCM test.
What Are The Potential Causes Of The Chevrolet P1218 Code?
- Fuel solenoid driver connections have a problem
- Fuel solenoid is damaged or has failed
- Fuel injection pump is damaged or has failed (a new pump will need to be “timed” using the correct pump timing procedure)
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> GB Remanufacturing 921-123 Diesel Fuel Injection Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
- GM, 2013, Service Bullettin – Prior To Any Circuit Testing.
- GM, 2014, Service Bullettin – Special Coverage Adjustment – Electronic Diesel-Fuel Injection Pump Failure – Repair/Replace.
- GM, 2014, Service Bullettin – 00064H — Special Policy Adjustment — Electronic Diesel-Fuel Injection Pump Failure — Repair/Replace.
