Description

OBD Fault Codes Related to the Mahindra 2.2 Mhawk Camshaft Position Sensor

Two of the most common OBD-II fault codes associated with a failing or faulty camshaft position sensor on the Mahindra 2.2 Mhawk engine are P-0340 and P-0341.

P-0340 — Camshaft Speed Sensor (Phase Sensor): No Signal

This code is logged when the ECU receives no signal at all from the camshaft position sensor. It typically indicates a failed sensor, a broken or disconnected wiring harness, or a damaged connector. When this code is active, the engine may crank but fail to start, or it may stall unexpectedly, since the ECU cannot determine camshaft position and therefore cannot accurately control fuel injection timing.

P-0341 — Camshaft Speed Sensor (Phase Sensor): Wrong Signal

Unlike P-0340, this code means the ECU is receiving a signal, but the signal is erratic, out of range, or inconsistent with the crankshaft position signal. Common causes include a worn reluctor ring, a weak or failing sensor, intermittent wiring faults, or excessive air gap between the sensor tip and the camshaft target wheel. Symptoms often include rough idling, misfires, hesitation under acceleration, and increased fuel consumption.

In both cases, replacing the camshaft position sensor with a quality replacement unit is the recommended first step before investigating wiring or reluctor ring damage. Always clear the fault codes after replacement and confirm the fault does not return before returning the vehicle to normal operation.

Common Diagnostic Trouble Codes (DTCs)

A generic OBD reader displays the standard 5-character code shown below.

• P0340 — No camshaft signal — ‘Mahindra Scorpio mHawk OBD DTC.md’ lists P0340 ‘No camshaft signal’; ‘Mahindra XUV500 OBD DTC.md’ lists it as ‘Camshaft sensor no signal error’
• P0341 — Wrong/implausible camshaft signal — mHawk manual lists P0341 ‘Wrong camshaft signal’; XUV500 manual lists ‘Camshaft sensor signal error’
• P1340 — Offset between camshaft and crankshaft — ‘Mahindra Scorpio mHawk OBD DTC.md’ lists P1340 ‘Offset between camshaft and crankshaft’ (XUV500 manual records the same fault as P1341 ‘Camshaft sensor signal offset error’)

Why order it from Partszar

A faulty sensor, coil or starter feeds the engine the wrong signal, so it runs rich, misfires, will not start or drops into limp mode, and the fault light stays on until it is fixed. Once this is replaced the ECU gets what it expects and the vehicle runs the way it did when it was new.

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