Section 45.3
Troubleshooting Flash Code 45
Perform the following steps to troubleshoot Flash Code 45.
Section 45.3.1
Multiple Code Check
Perform the following steps to check for multiple codes.
- Turn vehicle ignition switch ON.
- Plug in the diagnostic data reader (DDR)
- Read active codes.
- If codes other than 100/1 are logged, service them first.
- If code 100/1 is logged, and no other codes are logged, there was an engine running condition at which oil pressure was lower than it should have been.
Note: For information concerning low oil pressure level, refer to section 3.1 in the engine service manual.
| DDEC III/IV Single ECM Troubleshooting Guide - 6SE497 |
| Generated on 10-13-2008 |
SERIES 60 1991 OIL PRESSURE GOOD AT START AND REST WHEN HOT . WHEN UNDER LOAD PULLING HARD 1800RPM OIL PRESSURE WILL DIP DOWN TO UNDER 20PSI SOON AS I BUTTON OFF PRESSURE RETURNS TO NORMAL . RELIEF VALVE AND REGULATOR VALVE SEEM OK OIL PUMP STRIPED ALL GOOD. OIL LEVEL GOOD . ANY SUGGESTIONS . STEVE