TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 2.6 Date: 5-10-2023 Prepared By: Pradip Shimpi Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 14 of 1720 Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. P1E0A-12: PWM Blower Output failure Short – Circuit to Battery ................................................................. 1448 P1E0A-11: PWM Blower Output failure Short – Circuit to Ground ................................................................ 1452 P0191-85: Rail pressure Exceeds (Maximum Threshold) - CNG System pressure too High .................. 1456 P0191-84: Rail pressure drop below (Minimum Threshold) - CNG System pressure too Low ............... 1461 P22DB-12: CNG Gas-Injector 1 - electrical fault, short to supply voltage..................................................... 1466 P22DA-11: CNG Gas-Injector 1 - electrical fault, short to ground .................................................................. 1471 P22D9-13: CNG Gas-Injector 1 - electrical fault, Open circuit ........................................................................ 1475 P22DF-12: CNG Gas-Injector 2 - electrical fault, short to supply voltage ..................................................... 1480 P22DE-11: CNG Gas-Injector 2 - electrical fault, short to ground .................................................................. 1485 P22DD-13: CNG Gas-Injector 2 - electrical fault, Open circuit ....................................................................... 1490 P22E3-12: CNG Gas-Injector 3 - electrical fault, short to supply voltage ..................................................... 1495 P22E2-11: CNG Gas-Injector 3 - electrical fault, short to ground .................................................................. 1500 P22E1-13: CNG Gas-Injector 3 - electrical fault, Open circuit ........................................................................ 1505 P1016-92: max fault of multiplicative adaptation value in CNG-mode - CNG System Too Lean Bank 1 1510 P1017-92: min fault of multiplicative adaptation value in CNG-mode - CNG System Too Rich Bank 1 .. 1515 P1607-12: CNG lamp max error .......................................................................................................................... 1518 P1607-11: CNG lamp min error ........................................................................................................................... 1522 P1607-29: CNG lamp sig error ............................................................................................................................ 1526 P1609-21: Non Plausible error for CNG LID ..................................................................................................... 1530 P1608-22: Signal error for CNG LID ................................................................................................................... 1534 P01A1-15: Electric max error for CNG tank pressure sensor - Tank pressure sensor short to Battery or Open circuit ............................................................................................................................................................. 1538 P01A0-11: Electric min error for CNG tank pressure sensor - Tank pressure sensor short to Ground ... 1541 P0092-12: Diagnosis output stage ASVDRM - Pressure Regulator Valve short to battery error .............. 1544 P0091-11: Shut off Valve Pressure Regulator( Min Error) .............................................................................. 1547 P0090-13: Shut off Valve Pressure Regulator( Sig Error) ............................................................................... 1550 P0193-15: Natural Gas Rail pressure sensor Circuit High - Circuit Short to Battery or open circuit ........ 1553 P0192-11: Natural Gas Rail pressure sensor Circuit Low - Circuit Short to Ground ................................... 1556 P1300-92: Misfire detected in Gasoline mode .................................................................................................. 1559 P0301-92: Misfire detected on cylinder 1 in gasoline mode............................................................................ 1564 P0302-92: Misfire detected on cylinder 2 in gasoline mode............................................................................ 1569 P0303-92: Misfire detected on cylinder 3 in gasoline mode............................................................................ 1574
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