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Powertrain code references — Page 44.

Engine, transmission and powertrain diagnostic references. Exact vehicle and module context still matters.

9,891 code references in powertrain

Volkswagen
P1230

Cylinder 6 Injector Circuit Short To Ground

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Buick / Cadillac +5
P1231

Injector Circuit Cylinder 4 Intermittent

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Ford / Lincoln +1
P1231

High Speed Fuel Pump Relay Activated

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Volkswagen
P1231

Cylinder 7 Injector Circuit Short To Ground

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Ford / Lincoln +1
P1232

Low Speed Fuel Pump Primary Circuit Failure

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Volkswagen
P1232

Cylinder 8 Injector Circuit Short To Ground

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Ford / Lincoln +1
P1233

Fuel Pump Driver Module Off-Line

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Buick / Cadillac +5
P1234

Injector Circuit Cylinder 5 Intermittent

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Ford / Lincoln +1
P1234

Fuel Pump Driver Module Off-Line

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Ford / Lincoln +1
P1235

Fuel Pump Control Out of Range

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Jaguar
P1235

VSV 1/2/3 Circuit Range Performance

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Mazda
P1235

Fuel Pump Control Circuit

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Ford / Lincoln +1
P1236

Fuel Pump Control Out of Range

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Jaguar
P1236

VSV 1 Circuit

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Mazda
P1236

Fuel Pump Control Out Range

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Buick / Cadillac +5
P1237

Injector Circuit Cylinder 6 Intermittent

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Ford / Lincoln +1
P1237

Fuel Pump Secondary Circuit Fault

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Jaguar
P1237

VSV 2 Circuit

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Volkswagen
P1237

Cylinder 1 Injector Circuit Open Circuit

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Ford / Lincoln +1
P1238

Fuel Pump Secondary Circuit Fault

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Jaguar
P1238

VSV 3 Circuit

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Volkswagen
P1238

Cylinder 2 Injector Circuit Open Circuit

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Ford / Lincoln +1
P1239

Speed Fuel Pump Positive Feed Fault

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Volkswagen
P1239

Cylinder 3 Injector Circuit Open Circuit

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Buick / Saturn
P1240

Injector Circuit Cyllinder 7 Intermittent

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Cadillac / Chevrolet +3
P1240

Injector Circuit Cylinder 7 Intermittent

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Jaguar
P1240

Sensor Power Supply

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Volkswagen
P1240

Cylinder 4 Injector Circuit Open Circuit

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Acura / Honda
P1241

Throttle Vent Control Motor Circuit 1 Malfunction

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Jaguar
P1241

Sensor Power Supply Low Input

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Volkswagen
P1241

Cylinder 5 Injector Circuit Open Circuit

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Acura / Honda
P1242

Throttle Vent Control Motor Circuit 2 Malfunction

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Jaguar
P1242

Sensor Power Supply High Input

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Volkswagen
P1242

Cylinder 6 Injector Circuit Open Circuit

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Buick / Cadillac +5
P1243

Injector Circuit Cylinder 8 Intermittent

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Ford / Lincoln +1
P1243

Second Fuel Pump Faulty or Ground Fault

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Acura / Honda
P1243

Throttle Position Insufficient

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Jaguar
P1243

Analog Ground

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Dodge / Jeep +2
P1243

Open Or Shorted Condition Detected In The Turbocharger Surge Valve Solenoid Control

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Volkswagen
P1243

Cylinder 7 Injector Circuit Open Circuit

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Ford / Lincoln +1
P1244

Alternator Load Input Failed High

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Acura / Honda
P1244

Closed Throttle Position Insufficient

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Subaru
P1244

Wastegate Control Solenoid Valve Malfunction Low Input

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Volkswagen
P1244

Cylinder 8 Injector Circuit Open Circuit

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Buick / Cadillac +5
P1245

Intake Plenum Switchover Valve

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Ford / Lincoln +1
P1245

Alternator Load Input Failed Low

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Jaguar
P1245

Crank Signal Low Input

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Subaru
P1245

Wastegate Control Solenoid Valve Malfunction Fail Safe

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Volkswagen
P1245

Needle Lift Sensor Circuit Short To Ground

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Ford / Lincoln +1
P1246

Alternator Load Input Failed

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Acura / Honda
P1246

Accelerator Position Sensor 1 Circuit Malfunction

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Jaguar
P1246

Crank Signal High Input

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Volkswagen
P1246

Needle Lift Sensor Circuit Range Performance

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Ford / Lincoln +1
P1247

Turbo Boost Pressure Low

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Acura / Honda
P1247

Accelerator Position Sensor 2 Circuit Malfunction

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Volkswagen
P1247

Needle Lift Sensor Circuit Open/Short To B+

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Ford / Lincoln +2
P1248

Turbo Boost Pressure Not Detected

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Acura / Honda
P1248

Accelerator Position Sensors 1 & 2 Improper Correlation

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Volkswagen
P1248

Injection Start Control Deviation

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Ford / Lincoln +1
P1249

Wastegate Control Valve Performance

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Volkswagen
P1249

Fuel Consumption Signal Electrical Fault In Circuit

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Buick / Cadillac +5
P1250

Early Fuel Evaporation Heater Circuit

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Ford / Lincoln +1
P1250

Lack of Power to FPRC Solenoid

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Geo
P1250

Early Fuel Evaporation Heater Circuit Fault

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Jaguar
P1250

Throttle Valve Spring

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Kia
P1250

Pressure Regulator Control Solenoid Valve Open Or Short

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Mazda
P1250

Pressure Regulator Control Solenoid Circuit

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Suzuki
P1250

EFE Heater Circuit Fault

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Volkswagen
P1250

Fuel Level Too Low

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Jaguar
P1251

Throttle Position

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Mazda
P1251

Air Mixture Solenoid Circuit

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Volkswagen
P1251

Start Of Injection Solenoid Circuit Short To B+

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Ford / Lincoln +1
P1252

Pedal Correlation PDS1 and LPDS High

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Jaguar
P1252

VSV Stuck On VA/VV

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Kia
P1252

Pressure Regulator Control Solenoid Valve No. 2 Circuit Malfunction

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Mazda
P1252

Pressure Regulator Control Solenoid 2 Circuit Malfunction

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Volkswagen
P1252

Start Of Injection Solenoid Circuit Open/Short To Ground

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Ford / Lincoln +1
P1253

Pedal Correlation PDS1 and LPDS Low

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Acura / Honda
P1253

VTEC System Circuit Fault

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Jaguar
P1253

VSV Stuck On VR

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Volkswagen
P1253

Fuel Consumption Signal Short To Ground

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Ford / Lincoln +1
P1254

Pedal Correlation PDS2 and LPDS High

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Volkswagen
P1254

Fuel Consumption Signal Short To B+

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Ford / Lincoln +1
P1255

Pedal Correlation PDS2 and LPDS Low

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Volkswagen
P1255

Engine Coolant Temperature Circuit Short To Ground

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Ford / Lincoln +1
P1256

Pedal Correlation PDS1 and HPDS

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Volkswagen
P1256

Engine Coolant Temperature Circuit Open/Short To B+

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Buick / Cadillac +5
P1257

Supercharger System Overboost

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Ford / Lincoln +1
P1257

Pedal Correlation PDS2 and HPDS

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Volkswagen
P1257

Engine Coolant System Valve Open

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Buick / Cadillac +5
P1258

Engine Coolant Overtemperature Protection Mode Active

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Ford / Lincoln +1
P1258

Pedal Correlation PDS1 and PDS2

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Volkswagen
P1258

Engine Coolant System Valve Short To B+

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Acura / Honda
P1259

VTEC System Malfunction Rear Bank 1

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Volkswagen
P1259

Engine Coolant System Valve Short To Ground

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Buick / Cadillac +5
P1260

Last Test Failed SCC Or Theft Detected Vehicle Immobilized

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Ford / Lincoln +1
P1260

Theft Detected Engine Disabled

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Jaguar
P1260

Theft Detected Vehicle Immobilized

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Mazda
P1260

Anti-Theft System Signal Detected Engine Disabled

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Ford / Lincoln +1
P1261

Cylinder #1 High To Low Side Short

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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.