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OBD CODES

CAR OBD CODES



OBD/DTC Search, e.g.P0641

CAR OBD CODES P0641

P0641 OBD Code Definition:
P0641 5 Volt Reference Voltage Incorrect
P0641 OBD Code Description:

OBD Code P0641

Sensor Reference Voltage “A” Circuit/Open

What’s mean?

OBD2 Code P0641 Definition:
The Service Manual says The Engine Control Module (ECM) detects a voltage out of tolerance condition on the 5V reference 1 or 2 bus for more than 0.5 seconds. Symptoms

Possible sumptoms of P0641
– Engine Light ON (or Service Engine Soon Warning Light) Possible Causes

Possible causes of P0641
– ECM Short circuit condition – Shorted sensor on 5 volt circuit – Failed ECM The Error code is generally activated on detection of the following conditions: The ECM has detected the sensor 5 volt reference circuit voltage is higher or lower than expected Possible Solutions


Note: The information on the P0641 error code is purely informative, if you need more useful information, please consult your technician.

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