THE CODE DIRECTORY
Diagnostic code references — Page 49.
Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.
Buick / Cadillac +5
P1187
EOT Sensor Circuit Low Voltage
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Ford / Lincoln +1
P1187
Variant Selection
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Jaguar
P1187
O2 Sensor Heater Circuit Open, Inferred Fault
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Volkswagen
P1187
Linear Oxygen Sensor Compensation Resistor Open
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BMW
P1188
Fuel Control Bank 1 Sensor 1
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Buick / Cadillac +5
P1188
EOT Sensor Circuit High Voltage
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Ford / Lincoln +1
P1188
Calibration Memory Fault
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Jaguar
P1188
O2 Sensor Heater Circuit Resistance
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Volkswagen
P1188
Linear Oxygen Sensor Compensation Resistor Short To Ground
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BMW
P1189
Fuel Control Bank 2 Sensor 1
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Buick / Cadillac +5
P1189
Engine Oil Pressure Switch Circuit
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Ford / Lincoln +1
P1189
Pump Speed Signal Fault
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Jaguar
P1189
O2 Sensor Heater Circuit Low Resistance Fault 1
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Mazda
P1189
Pump Speed Signal
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Volkswagen
P1189
Linear Oxygen Sensor Compensation Resistor Short To B+
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BMW
P1190
Pre-Catalyst Fuel Trim System Bank 1
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Buick / Cadillac +5
P1190
Engine Vacuum Leak
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Ford / Lincoln +2
P1190
Calibration Resistor Out Of Range
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Jaguar
P1190
O2 Sensor Heater Circuit Low Resistance Fault 2
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Volkswagen
P1190
Linear Oxygen Sensor Reference Voltage Incorrect Signal
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BMW
P1191
Pre-Catalyst Fuel Trim System Bank 2
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Buick / Cadillac +5
P1191
Intake Air Duct Air Leak
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Ford / Lincoln +1
P1191
Key Line Voltage
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Jaguar
P1191
O2 Sensor Heater Circuit Open, HArdware Fault
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Mazda
P1191
TP Controlled Circuit
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BMW
P1192
Post-Catalyst Fuel Trim System Bank 1
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Ford / Lincoln +1
P1192
Voltage External
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Jaguar
P1192
O2 Sensor Heater Circuit Shorted
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Dodge / Jeep +2
P1192
Inlet Air Temp. Circuit Low
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BMW
P1193
Post-Catalyst Fuel Trim System Bank 2
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Ford / Lincoln +1
P1193
EGR Drive Overcurrent
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Jaguar
P1193
O2 Sensor Heater Circuit Open, Inferred Fault
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Dodge / Jeep +2
P1193
Inlet Air Temp. Circuit High
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Ford / Lincoln +1
P1194
ECU A/D Converter
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Jaguar
P1194
O2 Sensor Heater Circuit Resistance Fault
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Dodge / Jeep +2
P1194
Incorrect Or Irrational Performance Has Been Detected For The PWM
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Mazda
P1194
ECM PCM A D Converter
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Ford / Lincoln +1
P1195
SCP HBCC Failed To Initialize
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Jaguar
P1195
O2 Sensor Heater Circuit Low Resistance Fault 1
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Dodge / Jeep +2
P1195
O2 Sensor 1/1 (Bank 1 Sensor 1) Slow During Catalyst Monitor
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Kia
P1195
EGR Boost Or Pressure Sensor Circuit Fault
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Mazda
P1195
EGR Boost Sensor Circuit
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Ford / Lincoln +1
P1196
Key Off Voltage High
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Jaguar
P1196
O2 Sensor Heater Circuit Low Resistance Fault 2
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Dodge / Jeep +2
P1196
O2 Sensor 2/1 (Bank 2 Sensor 1) Slow During Catalyst Monitor
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Kia
P1196
Ignition Switch Start Circuit Fault
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Mazda
P1196
Ignition Switch Start Circuit
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Volkswagen
P1196
Oxygen Sensor Heater Circuit Bank 1 Sensor 1 Electrical Malfunction
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Ford / Lincoln +1
P1197
Key Off Voltage Low
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Dodge / Jeep +2
P1197
O2 Sensor 1/2 (Bank 1 Sensor 2) Slow During Catalyst Monitor
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Mazda
P1197
Mileage Switch Circuit
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Volkswagen
P1197
Oxygen Sensor Heater Circuit Bank 2 Sensor 1 Electrical Malfunction
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Ford / Lincoln +1
P1198
Pump Rotor Control Underfueling
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Jaguar
P1198
Fuel Level Input Circuit High
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Dodge / Jeep +2
P1198
Radiator Temperature Sensor Voltage Too High
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Volkswagen
P1198
Oxygen Sensor Heater Circuit Bank 1 Sensor 2 Electrical Malfunction
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Jaguar
P1199
Fuel Level Input Circuit Low
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Dodge / Jeep +2
P1199
Radiator Temperature Sensor Voltage Too Low
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Volkswagen
P1199
Oxygen Sensor Heater Circuit Bank 2 Sensor 2 Electrical Malfunction
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Buick / Cadillac +5
P1200
Injector Control Circuit
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Lexus
P1200
Fuel Pump Relay ECU Circuit Malfunction
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Toyota
P1200
Fuel Pump Relay Circuit
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Buick / Cadillac +5
P1201
(Alternative Fuel) Gas Mass Sensor Circuit Range/Performance
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Acura / Honda
P1201
Cylinder 1 Misfire
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Jaguar
P1201
Cylinder 1 Injector Circuit Open/Shorted
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Volkswagen
P1201
Cylinder 1 Fuel Injector Circuit Electrical Malfunction
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Buick / Cadillac +5
P1202
(Alternative Fuel) Gas Mass Sensor Circuit Low Frequency
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Acura / Honda
P1202
Cylinder 2 Misfire
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Jaguar
P1202
Cylinder 2 Injector Circuit Open/Shorted
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Volkswagen
P1202
Cylinder 2 Fuel Injector Circuit Electrical Malfunction
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Buick / Cadillac +5
P1203
(Alternative Fuel) Gas Mass Sensor Circuit High Frequency
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Acura / Honda
P1203
Cylinder 3 Misfire
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Jaguar
P1203
Cylinder 3 Injector Circuit Open/Shorted
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Volkswagen
P1203
Cylinder 3 Fuel Injector Circuit Electrical Malfunction
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Acura / Honda
P1204
Cylinder 4 Misfire
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Jaguar
P1204
Cylinder 4 Injector Circuit Open/Shorted
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Volkswagen
P1204
Cylinder 4 Fuel Injector Circuit Electrical Malfunction
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Acura / Honda
P1205
Cylinder 5 Misfire
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Jaguar
P1205
Cylinder 5 Injector Circuit Open/Shorted
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Volkswagen
P1205
Cylinder 5 Fuel Injector Circuit Electrical Malfunction
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Acura / Honda
P1206
Cylinder 6 Misfire
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Jaguar
P1206
Cylinder 6 Injector Circuit Open/Shorted
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Volkswagen
P1206
Cylinder 6 Fuel Injector Circuit Electrical Malfunction
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Jaguar
P1207
Cylinder 7 Injector Circuit Open/Shorted
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Volkswagen
P1207
Cylinder 7 Fuel Injector Circuit Electrical Malfunction
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Jaguar
P1208
Cylinder 8 Injector Circuit Open/Shorted
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Volkswagen
P1208
Cylinder 8 Fuel Injector Circuit Electrical Malfunction
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Ford / Lincoln +1
P1209
Injector Control Pressure System Fault
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Volkswagen
P1209
Intake Valves For Cylinder Shut-Off Short Circuit To Ground
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Ford / Lincoln +1
P1210
Injector Control Pressure Above Expected Level
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Nissan
P1210
Traction Control System Signal Fault
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Volkswagen
P1210
Intake Valves For Cylinder Shut-Off Short To B+
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Buick / Cadillac +5
P1211
Mass Air Flow Circuit Intermittent High
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Ford / Lincoln +1
P1211
Injector Control Pressure Sensor Above Below Desired
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Nissan
P1211
ABS TCS Control Unit
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Volkswagen
P1211
Intake Valves For Cylinder Shut-Off Open Circuit
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Buick / Cadillac +5
P1212
Mass Air Flow Circuit Intermittent Low
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Ford / Lincoln +1
P1212
Injector Control Pressure Not Detected During Crank
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Nissan
P1212
ABS TCS Communication Line
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Ford / Lincoln +1
P1213
Start Injector Circuit Malfunction
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These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.