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P0846-2C PRESSURE SWITCH RATIONALITY (CONTINUED) 6. LOW LINE PRESSURE In the EATX DTC EVENT DATA recorded earlier, compare the Line Pressure and the Desired Line Pressure. Is the Line Pressure less than 40 psi, and significantly below the Desired Line Pressure? Yes >> Repair as necessary to correct low line pressure. Check fluid level and adjust as necessary. If fluid level is OK, check the Primary Oil Filter seal for a split, crack, or improperly installed. If the filter and seal are Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Replace the Transmission Solenoid/TRS Assembly per the Service Information. Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. 7. EATX DTC EVENT DATA READS DTC SET IN PARK REVERSE OR NEUTRAL With the scan tool, check the EATX DTC EVENT DATA for P0846. NOTE: Make sure to record all EATX DTC EVENT DATA stored in the scan tool for future reference in this Does the EATX DTC EVENT DATA show the DTC P0846 set in Park, Neutral, or Reverse? Yes >> Go To 12 No >> Go To 8 8. EATX DTC EVENT DATA READS 2C PRESSURE SWITCH READING CLOSED With the scan tool, check the EATX DTC EVENT DATA for P0846. NOTE: Make sure to record all EATX DTC EVENT DATA stored in the scan tool for future reference in this Does the EATX DTC EVENT DATA show the 2C Pressure Switch reading CLOSED? Yes >> Go To 10 No >> Go To 9 9. PRIMARY OIL FILTER SEAL In the EATX DTC EVENT DATA recorded earlier, compare the Line Pressure and the Desired Line Pressure. Is the Line Pressure less than 40 psi, and significantly below the Desired Line Pressure? Yes >> Repair as necessary to correct low line pressure. Check fluid level and adjust as necessary. If fluid level is OK, check the Primary Oil Filter seal for a split, crack, or improperly installed. If the filter and seal are Perform 45RFE/545RFE TRANSMISSION VERIFICATION TEST - VER 1. No >> Go To 15 21 - 536 AUTOMATIC TRANSMISSION 545RFE - ELECTRICAL DIAGNOSTICS ND |