Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 65 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent P2229- 00- Barometric Pressure Sensor "A" Circuit High Overview: Code Cause Effect on Vehicle Fault Code: P2229-00 1. Atmospheric pressure sensor failure 2. Faulty ECU 1.MIL Lamp ON 2.Vehicle Misfire possible 3.Reduced vehicle performance 4. Disabled drive mode option Lamp status: Check Engine Lamp off Malfunction Indicator Lamp on Checkpoints: 1. Check ECU for any burn marks externally Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check the Battery voltage at Ignition Off Nominal range – 11.5 to 12.8 V) Step 2 Check the ECU for any external damage. Replace the ECU, if damaged. - Step 3 If there is no damage on the ECU but the problem persists. Replace the ECU and contact the supplier - Component Description: ECM senses the accurate atmospheric pressure value though Barometric Pressure sensor. This data is used to identify the altitude in which vehicle is operating. Circuit Schematic Diagram: NA
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