TATA BSVI Gasoline_Bifuel Program – EMS ECU Bosch DTC Troubleshooting Service Manual Version: 1.9 Date: 24-01-2022 Prepared By: Veer K. Singh / Prudhvi B Varma Checked By: Yeshwant Jadhav Approved By: Sanjeev M. Document Part No: 2921 02 xxx xxxx Page: 14 of 1692 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. P0191-85: Rail pressure Exceeds (Maximum Threshold) - CNG System pressure too High .................. 1454 P0191-84: Rail pressure drop below (Minimum Threshold) - CNG System pressure too Low ............... 1459 P22DB-12: CNG Gas-Injector 1 - electrical fault, short to supply voltage .................................................... 1464 P22DA-11: CNG Gas-Injector 1 - electrical fault, short to ground.................................................................. 1469 P22D9-13: CNG Gas-Injector 1 - electrical fault, Open circuit ........................................................................ 1473 P22DF-12: CNG Gas-Injector 2 - electrical fault, short to supply voltage ..................................................... 1478 P22DE-11: CNG Gas-Injector 2 - electrical fault, short to ground.................................................................. 1483 P22DD-13: CNG Gas-Injector 2 - electrical fault, Open circuit ....................................................................... 1488 P22E3-12: CNG Gas-Injector 3 - electrical fault, short to supply voltage ..................................................... 1493 P22E2-11: CNG Gas-Injector 3 - electrical fault, short to ground .................................................................. 1498 P22E1-13: CNG Gas-Injector 3 - electrical fault, Open circuit ........................................................................ 1503 P1016-92: max fault of multiplicative adaptation value in CNG-mode - CNG System Too Lean Bank 1 1508 P1017-92: min fault of multiplicative adaptation value in CNG-mode - CNG System Too Rich Bank 1 .. 1513 P1607-12: CNG lamp max error .......................................................................................................................... 1516 P1607-11: CNG lamp min error ........................................................................................................................... 1520 P1607-29: CNG lamp sig error ............................................................................................................................ 1524 P1609-21: Non Plausible error for CNG LID ..................................................................................................... 1528 P1608-22: Signal error for CNG LID ................................................................................................................... 1532 P01A1-15: Electric max error for CNG tank pressure sensor - Tank pressure sensor short to Battery or Open circuit ............................................................................................................................................................. 1536 P01A0-11: Electric min error for CNG tank pressure sensor - Tank pressure sensor short to Ground ... 1539 P0092-12: Diagnosis output stage ASVDRM - Pressure Regulator Valve short to battery error .............. 1542 P0091-11: Shut off Valve Pressure Regulator( Min Error) .............................................................................. 1545 P0090-13: Shut off Valve Pressure Regulator( Sig Error) ............................................................................... 1548 P0193-15: Natural Gas Rail pressure sensor Circuit High - Circuit Short to Battery or open circuit ........ 1551 P0192-11: Natural Gas Rail pressure sensor Circuit Low - Circuit Short to Ground ................................... 1554 P1300-92: Misfire detected in Gasoline mode .................................................................................................. 1557 P0301-92: Misfire detected on cylinder 1 in gasoline mode ........................................................................... 1562 P0302-92: Misfire detected on cylinder 2 in gasoline mode ........................................................................... 1567 P0303-92: Misfire detected on cylinder 3 in gasoline mode ........................................................................... 1572 P1301-92: Misfire detected in Gas operating mode ......................................................................................... 1577 P0301-92: Misfire detected in Gas operating mode, cylinder 1 ...................................................................... 1582
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