Checking components and wiring
Check the pump control module connector. Check for contact resistance and oxidation.
Check the cable between Engine Control Module (ECM) terminal #B47 (#B57) and pump control module terminal #1. Check for an open circuit, short circuit to ground and supply voltage.
Remedy as necessary.
HINT: The diagnostic trouble code (DTC) may be caused by a defective pump control module.
Other information:
- See Contents
- To connect the breakout box, see Connecting the breakout box
- For information about signals, see Signal description
- See Control module fuel pump (FP), replacing
- Continue
Refer to Verification