Cadillac P1172: Secondary Fuel Pump Insufficient/No Fuel Flow
Is your scanner showing Cadillac P1172?
No worries. We'll show you what it means and how to deal with it.
Cadillac P1172: Secondary Fuel Pump Insufficient/No Fuel Flow
OVERVIEWWhat Does The Cadillac P1172 Code Mean?
Engine started, vehicle not moving, primary fuel level less than 25 L (6.6 gallons), secondary fuel level between 3-10 L (0.7-2.6 gallons), conditions met for 20 seconds before secondary pump command
What Are The Potential Causes Of The Cadillac P1172 Code?
- Fuel tank level is too low (must be within 25-75% to test relay)
- Secondary F/P relay power circuit is open (test the ENG1 fuse)
- Secondary F/P relay control circuit is open, shorted to ground or shorted to power
- Secondary F/P relay is damaged or has failed
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> ZOZOMOTORS Electric Fuel Pump Relay Kit Fuel Pump Wiring Harness Kit Relay
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Cadillac P1172, DTCDECODE.
