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
P1115
Engine Coolant Temperature Sensor Circuit Intermittent High Voltage
Maruti Suzuki
Fuel and Air Metering
High severity
P1117
Engine Coolant Temperature Sensor Intermittent
Maruti Suzuki
Fuel and Air Metering
High severity
P1122
Throttle Position Sensor Circuit Intermittent Low Voltage
Maruti Suzuki
Fuel and Air Metering
High severity
P1127
Exhaust Not Warm Enough Downstream O2 Sensor Not Tested
Maruti Suzuki
Auxiliary Emissions Control
High severity
P1130
Lack of Upstream Heated Oxygen Sensor Switch Adaptive Fuel Limit Bank 1
Maruti Suzuki
Fuel and Air Metering
Medium severity
P1137
HO2S Circuit Low Voltage During Power Enrichment Sensor 2
Maruti Suzuki
Fuel and Air Metering
Medium severity
P1151
HO2S21 Circuit Low Voltage Shift/High Voltage Shift/Circuit Continuity/High Voltage
Maruti Suzuki
Fuel and Air Metering
Medium severity
P1166
HO2S Circuit Low Voltage During Power Enrichment Sensor 1
Maruti Suzuki
Fuel and Air Metering
Medium severity
P1172
Lambda Controller Limit Malfunction Bank 1 Too Lean
Maruti Suzuki
Fuel and Air Metering
High severity
P1174
Lambda Controller Limit Malfunction Bank 2 Too Rich
Maruti Suzuki
Fuel and Air Metering
High severity
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