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: 5 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. P0120-14: Short Circuit to Ground of Accelerator Pedal Sensor 1– Circuit Short to Ground or Open Circuit ......................................................................................................................................................................... 190 P0122-11: Throttle/Pedal Position Sensor/Switch “A” Circuit Low– Circuit Short to Ground or Open Circuit ......................................................................................................................................................................... 195 P0123-12: Throttle/Pedal Position Sensor/Switch “A” Circuit High– Circuit Short to Battery ...................... 201 P0131-11: O2 Sensor Circuit Low Voltage(Bank 1 Sensor1) Voltage – Circuit Short to Ground ............... 207 P0132-12: O2 Sensor Circuit High Voltage(Bank 1 Sensor1) – Circuit Short to Battery .............................. 213 P0136-13: O2 Sensor Circuit(Bank 1 Sensor2) Signal Error – Circuit Open ................................................. 219 P0137-11: O2 Sensor Circuit(Bank 1 Sensor2) – Circuit Short to Ground ..................................................... 226 P0138-12: O2 Sensor Circuit High(Bank 1 Sensor2) – Circuit Short to Battery ............................................ 233 P0140-2F: O2 Sensor Circuit Signal Line Short to Heater Line(Bank 1 Sensor2)-Signal Erratic ............... 240 P0171-92: System Too Lean – Performance or Incorrect Operation .............................................................. 247 P0172-92: System Too Rich – Performance or Incorrect Operation ............................................................... 251 P0201-13: Injector 1 Open Circuit– Circuit Open .............................................................................................. 255 P0202-13: Injector 2 Open Circuit– Circuit Open ............................................................................................... 261 P0203-13: Injector 3 Open Circuit– Circuit Open ............................................................................................... 267 P0217-4B: Engine Coolant Temperature Over 110 deg C – Over Temperature ........................................... 273 P0220-12: Short Circuit to Battery of Accelerator Pedal Sensor 1– Circuit Short to Battery ....................... 280 P0220-14: Short Circuit to Ground of Accelerator Pedal Sensor 2– Circuit Short to Ground or Open Circuit ......................................................................................................................................................................... 286 P0222-11: Throttle/Pedal Position Sensor/Switch “B” Circuit Low – Circuit Short to Ground or Open Circuit ......................................................................................................................................................................... 292 P0223-12: Throttle/Pedal Position Sensor/Switch “B” Circuit High– Circuit Short to Battery ...................... 299 P0234-85: Turbocharger Overboost condition-Signal Above Allowable Range ............................................ 305 P0236-29: Turbocharger Boost Sensor “A” Circuit Range/Performance – Signal Invalid ............................ 310 P0236-84: Turbocharger Boost Sensor “A” Circuit Range/Performance – Signal Below allowable Range ........................................................................................................................................................................ 316 P0236-85: Turbocharger Boost Sensor “A” Circuit Range/Performance – Signal above Allowable Range ........................................................................................................................................................................ 322 P0236-09: Turbocharger Boost Sensor “A” Circuit Range/Performance – Component Failure .................. 328 P0237-11: Turbocharger Boost Sensor “A” Circuit Low – Circuit Short to Ground ....................................... 334 P0238-15: Turbocharger Boost Sensor “A” Circuit High-Circuit Short to Battery or Open Circuit .............. 340 P0243-13: Turbocharger Wastegate Solenoid “A”– Circuit Open .................................................................... 346 P0245-11: Turbocharger Wastegate Solenoid “A” Low – Circuit Short to Ground ........................................ 351
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