OBD fault code library
Look up any P or U code to see what it means, what causes it, the parts involved and how it gets fixed.
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Fault codes
P1841
Internal malfunction detected in ABS control module
Mahindra
Chassis Control System
High severity
P1676
Communication error between ECM and Transmission control module (TCM)
Maruti Suzuki
Computer Output Circuit
High severity
P1774
Internal malfunction in TCM (Transmission control module)
Maruti Suzuki
Transmission System
High severity
P1777
Communication error between ECM and Transmission control module (TCM)
Maruti Suzuki
Computer Output Circuit
High severity
U1073
Communication error between ECM and ABS control module
Maruti Suzuki
Communication Network System
High severity
U1100
Communication error between ECM and ABS control module
Maruti Suzuki
Communication Network System
High severity
U1140
Communication error between BCM and ESP (electronic stability) control module
Maruti Suzuki
Communication Network System
High severity
P1101
Hot film Mass air flow sensor (HFM7) load above limits
Mahindra
Fuel and Air Metering
High severity
P16A2
Internal malfunction in AC control module
Mahindra
Vehicle Speed and Idle Control System
High severity
P1401
AC Airflow control actuator malfunction
Mahindra
Vehicle Speed and Idle Control System
High severity
U0416
Communication errror in torque sensor (ABS)
Mahindra
Communication Network System
High severity
U1423
Communication error in instrument cluster (IC)
Mahindra
Communication Network System
High severity
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