P23xx fault codes
253 generic codes from P2300 to P23FF, with what each means.
- P2300 Ignition Coil A Primary Control Circuit Low
- P2301 Ignition Coil A Primary Control Circuit High
- P2302 Ignition Coil A Secondary Circuit
- P2303 Ignition Coil B Primary Control Circuit Low
- P2304 Ignition Coil B Primary Control Circuit High
- P2305 Ignition Coil B Secondary Circuit
- P2306 Ignition Coil C Primary Control Circuit Low
- P2307 Ignition Coil C Primary Control Circuit High
- P2308 Ignition Coil C Secondary Circuit
- P2309 Ignition Coil D Primary Control Circuit Low
- P230A Cylinder 1 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230B Cylinder 2 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230C Cylinder 3 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230D Cylinder 4 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230E Cylinder 5 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P230F Cylinder 6 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P2310 Ignition Coil D Primary Control Circuit High
- P2311 Ignition Coil D Secondary Circuit
- P2312 Ignition Coil E Primary Control Circuit Low
- P2313 Ignition Coil E Primary Control Circuit High
- P2314 Ignition Coil E Secondary Circuit
- P2315 Ignition Coil F Primary Control Circuit Low
- P2316 Ignition Coil F Primary Control Circuit High
- P2317 Ignition Coil F Secondary Circuit
- P2318 Ignition Coil G Primary Control Circuit Low
- P2319 Ignition Coil G Primary Control Circuit High
- P231A Cylinder 7 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P231B Cylinder 8 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P231C Cylinder 9 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P231D Cylinder 10 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P231E Cylinder 11 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P231F Cylinder 12 Air-Fuel Ratio Imbalance Adjustment At Limit During Balance
- P2320 Ignition Coil G Secondary Circuit
- P2321 Ignition Coil H Primary Control Circuit Low
- P2322 Ignition Coil H Primary Control Circuit High
- P2323 Ignition Coil H Secondary Circuit
- P2324 Ignition Coil I Primary Control Circuit Low
- P2325 Ignition Coil I Primary Control Circuit High
- P2326 Ignition Coil I Secondary Circuit
- P2327 Ignition Coil J Primary Control Circuit Low
- P2328 Ignition Coil J Primary Control Circuit High
- P2329 Ignition Coil J Secondary Circuit
- P232A TCM Request Forced Engine Shutdown
- P232B Cylinder 11 Fuel Injector A Offset Learning At Min Limit
- P232C Cylinder 11 Fuel Injector A Offset Learning At Max Limit
- P232D Cylinder 12 Fuel Injector A Offset Learning At Min Limit
- P232E Cylinder 12 Fuel Injector A Offset Learning At Max Limit
- P232F O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2
- P2330 Ignition Coil K Primary Control Circuit Low
- P2331 Ignition Coil K Primary Control Circuit High
- P2332 Ignition Coil K Secondary Circuit
- P2333 Ignition Coil L Primary Control Circuit Low
- P2334 Ignition Coil L Primary Control Circuit High
- P2335 Ignition Coil L Secondary Circuit
- P2336 Cylinder 1 Above Knock Threshold
- P2337 Cylinder 2 Above Knock Threshold
- P2338 Cylinder 3 Above Knock Threshold
- P2339 Cylinder 4 Above Knock Threshold
- P233A Fuel Pressure Regulator C Control Circuit Open
- P233B Fuel Pressure Regulator C Control Circuit Low
- P233C Fuel Pressure Regulator C Control Circuit High
- P233D Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Open
- P233E Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit Low
- P233F Fuel Pressure Regulator B Solenoid Supply Voltage Control Circuit High
- P2340 Cylinder 5 Above Knock Threshold
- P2341 Cylinder 6 Above Knock Threshold
- P2342 Cylinder 7 Above Knock Threshold
- P2343 Cylinder 8 Above Knock Threshold
- P2344 Cylinder 9 Above Knock/Combustion Vibration Sensor Threshold
- P2345 Cylinder 10 Above Knock/Combustion Vibration Sensor Threshold
- P2346 Cylinder 11 Above Knock/Combustion Vibration Sensor Threshold
- P2347 Cylinder 12 Above Knock/Combustion Vibration Sensor Threshold
- P2348 Cylinder 9 Pressure Sensor Circuit
- P2349 Cylinder 9 Pressure Sensor Circuit Range/Performance
- P234A Cylinder 9 Pressure Sensor Circuit Low
- P234B Cylinder 9 Pressure Sensor Circuit High
- P234C Cylinder 9 Pressure Sensor Circuit Intermittent or Erratic
- P234D Cylinder 9 Pressure Too Low
- P234E Cylinder 9 Pressure Too High
- P234F Cylinder 9 Pressure Variation Low
- P2350 Cylinder 9 Pressure Variation High
- P2351 Cylinder 9 Combustion Performance
- P2352 Cylinder 10 Pressure Sensor Circuit
- P2353 Cylinder 10 Pressure Sensor Circuit Range/Performance
- P2354 Cylinder 10 Pressure Sensor Circuit Low
- P2355 Cylinder 10 Pressure Sensor Circuit High
- P2356 Cylinder 10 Pressure Sensor Circuit Intermittent or Erratic
- P2357 Cylinder 10 Pressure Too Low
- P2358 Cylinder 10 Pressure Too High
- P235A Cylinder 10 Pressure Variation High
- P235B Cylinder 10 Combustion Performance
- P235C Cylinder 11 Pressure Sensor Circuit
- P235D Cylinder 11 Pressure Sensor Circuit Range/Performance
- P235E Cylinder 11 Pressure Sensor Circuit Low
- P235F Cylinder 11 Pressure Sensor Circuit High
- P2360 Cylinder 11 Pressure Sensor Circuit Intermittent or Erratic
- P2361 Cylinder 11 Pressure Too Low
- P2364 Cylinder 11 Pressure Variation High
- P2365 Cylinder 11 Combustion Performance
- P2366 Cylinder 12 Pressure Sensor Circuit
- P2367 Cylinder 12 Pressure Sensor Circuit Range/Performance
- P2368 Cylinder 12 Pressure Sensor Circuit Low
- P2369 Cylinder 12 Pressure Sensor Circuit High
- P236A Cylinder 12 Pressure Sensor Circuit Intermittent or Erratic
- P236B Cylinder 12 Pressure Too Low
- P236C Cylinder 12 Pressure Too High
- P236D Cylinder 12 Pressure Variation Low
- P236E Cylinder 12 Pressure Variation High
- P236F Cylinder 12 Combustion Performance
- P2370 Fuel Volume Regulator B Control Circuit/Open
- P2371 Fuel Volume Regulator B Control Circuit Performance
- P2372 Fuel Volume Regulator B Control Circuit Low
- P2373 Fuel Volume Regulator B Control Circuit High
- P2374 Turbocharger Inlet Pressure Sensor B Circuit
- P2375 Turbocharger Inlet Pressure Sensor B Circuit Range or Performance
- P2376 Turbocharger Inlet Pressure Sensor B Circuit Low
- P2377 Turbocharger Inlet Pressure Sensor B Circuit High
- P2378 Turbocharger Inlet Pressure Sensor B Circuit Intermittent or Erratic
- P2379 O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2
- P237A O2 Sensor Exhaust Sample Error Bank 1 Sensor 2
- P237B O2 Sensor Exhaust Sample Error Bank 2 Sensor 2
- P237C Exhaust Heat Exchanger Exhaust Bypass Valve A Control Circuit/Open
- P237D Exhaust Heat Exchanger Bypass Valve A Control Circuit Low
- P237E Exhaust Heat Exchanger Bypass Valve A Control Circuit High
- P237F Exhaust Heat Exchanger Bypass Valve A Control Performance
- P2380 EGR Sensor D Circuit
- P2381 EGR Sensor D Circuit High
- P2382 EGR Sensor D Circuit Low
- P2383 EGR Sensor D Circuit Range or Performance
- P2384 EGR Sensor D Circuit Intermittent
- P2385 EGR Sensor E Circuit
- P2386 EGR Sensor E Circuit High
- P2387 EGR Sensor E Circuit Low
- P2388 EGR Sensor E Circuit Range or Performance
- P2389 EGR Sensor E Circuit Intermittent
- P238A Water in Fuel Sensor B Circuit
- P238B Water in Fuel Sensor B Circuit Range or Performance
- P238C Water in Fuel Sensor B Circuit Low
- P238D Water in Fuel Sensor B Circuit High
- P238E Water in Fuel Sensor B Circuit Intermittent
- P238F Water in Fuel Condition Sensor B
- P2390 Diesel Intake Air Flow B Control Circuit Open
- P2391 Diesel Intake Air Flow B Control Performance
- P2392 Diesel Intake Air Flow B Control Circuit Low
- P2393 Diesel Intake Air Flow B Control Circuit High
- P2394 Diesel Intake Air Flow B Control Stuck Open
- P2395 Diesel Intake Air Flow B Control Stuck Closed
- P2396 Diesel Intake Air Flow B Position Sensor Circuit
- P2397 Diesel Intake Air Flow B Position Sensor Range or Performance
- P2398 Diesel Intake Air Flow B Position Sensor Circuit Low
- P2399 Diesel Intake Air Flow B Position Sensor Circuit High
- P239A Diesel Intake Air Flow B Position Sensor Circuit Intermittent or Erratic
- P239B Diesel Intake Air Flow B Control Motor Current Range or Performance
- P239C Diesel Intake Air Flow B Control System High Air Flow Detected
- P239D Diesel Intake Air Flow B Control System Low Air Flow Detected
- P239E O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2
- P239F O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2
- P23A0 O2 Sensor Exhaust Sample Error Bank 1 Sensor 2
- P23A1 O2 Sensor Exhaust Sample Error Bank 2 Sensor 2
- P23A2 Exhaust Heat Exchanger Exhaust Bypass Valve B Control Circuit/Open
- P23A3 Exhaust Heat Exchanger Bypass Valve B Control Circuit Low
- P23A4 Exhaust Heat Exchanger Bypass Valve B Control Circuit High
- P23A5 Exhaust Heat Exchanger Bypass Valve B Control Performance
- P23A6 Exhaust Heat Exchanger Bypass Valve B Stuck Open
- P23A7 Exhaust Heat Exchanger Bypass Valve B Stuck Closed
- P23A8 Exhaust Heat Exchanger Bypass Valve B Position Sensor Stop Performance
- P23A9 Communication Fault Forced Engine Shutdown
- P23AA Turbocharger Bypass Valve A Stuck
- P23AB NOx Sensor Processor Performance Bank 1 Sensor 3
- P23AC NOx Sensor Circuit Bank 1 Sensor 3
- P23AD NOx Sensor Circuit Range or Performance Bank 1 Sensor 3
- P23AE NOx Sensor Circuit Low Bank 1 Sensor 3
- P23AF NOx Sensor Circuit High Bank 1 Sensor 3
- P23B0 NOx Sensor Circuit Intermittent Bank 1 Sensor 3
- P23B1 NOx Sensor Heater Control Circuit Open Bank 1 Sensor 3
- P23B2 NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3
- P23B3 NOx Sensor Heater Control Circuit High Bank 1 Sensor 3
- P23B4 NOx Sensor Heater Sense Circuit Bank 1 Sensor 3
- P23B5 NOx Sensor Heater Sense Circuit Range or Performance Bank 1 Sensor 3
- P23B6 NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3
- P23B7 NOx Sensor Heater Control Circuit Range or Performance Bank 1 Sensor 3
- P23B8 NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3
- P23B9 NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3
- P23BA NOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3
- P23BB NOx Sensor Heater Resistance Bank 1 Sensor 3
- P23BC NOx Sensor Calibration Memory Bank 1 Sensor 3
- P23BD NOx Sensor Performance Signal Biased or Stuck High Bank 1 Sensor 3
- P23BE NOx Sensor Performance Signal Biased or Stuck Low Bank 1 Sensor 3
- P23BF NOx Sensor Performance Slow Response Low to High Bank 1 Sensor 3
- P23C0 NOx Sensor Performance Slow Response High to Low Bank 1 Sensor 3
- P23C1 NOx Sensor Sensing Element Bank 1 Sensor 3
- P23C2 NOx Sensor Delayed Response High to Low Bank 1 Sensor 3
- P23C3 Engine Coolant Bypass Valve C Position Sensor Circuit/Open
- P23C4 Engine Coolant Bypass Valve C Position Sensor Circuit Low
- P23C5 Engine Coolant Bypass Valve C Position Sensor Circuit High
- P23C6 Engine Coolant Bypass Valve C Control Circuit Driver Current or Temperature Too High
- P23C7 Fuel Heater Control Module Power Control Circuit/Open
- P23C8 Fuel Heater Control Module Power Control Circuit Low
- P23C9 Fuel Heater Control Module Power Control Circuit High
- P23CA Fuel Rail Heater Control Circuit Open
- P23CB Fuel Rail Heater Control Circuit Low
- P23CC Fuel Rail Heater Control Circuit High
- P23CD Fuel Heater Control Module Feedback Signal Circuit/Open
- P23CE Fuel Heater Control Module Feedback Signal Circuit Range/Performance
- P23CF Fuel Heater Control Module Feedback Signal Circuit Low
- P23D0 Fuel Heater Control Module Feedback Signal Circuit High
- P23D1 Cylinder 1 Fuel Heater Control Circuit Open
- P23D2 Cylinder 1 Fuel Heater Control Circuit High
- P23D3 Cylinder 1 Fuel Heater Control Circuit Low
- P23D4 Cylinder 1 Fuel Heater Performance
- P23D5 Cylinder 2 Fuel Heater Control Circuit Open
- P23D6 Cylinder 2 Fuel Heater Control Circuit High
- P23D7 Cylinder 2 Fuel Heater Control Circuit Low
- P23D8 Cylinder 2 Fuel Heater Performance
- P23D9 Cylinder 3 Fuel Heater Control Circuit Open
- P23DA Cylinder 3 Fuel Heater Control Circuit High
- P23DB Cylinder 3 Fuel Heater Control Circuit Low
- P23DC Cylinder 3 Fuel Heater Performance
- P23DD Cylinder 4 Fuel Heater Control Circuit Open
- P23DE Cylinder 4 Fuel Heater Control Circuit High
- P23DF Cylinder 4 Fuel Heater Control Circuit Low
- P23E0 Cylinder 4 Fuel Heater Performance
- P23E1 EGR C Control Circuit Open
- P23E2 EGR C Control Circuit Performance
- P23E3 EGR C Control Circuit Low
- P23E4 EGR C Control Circuit High
- P23E5 EGR C Control Stuck Open
- P23E6 EGR C Control Stuck Closed
- P23E7 EGR C Flow Insufficient Detected
- P23E8 EGR C Flow Excessive Detected
- P23E9 Camshaft A Position Signal Output Circuit/Open Bank 2
- P23EA Camshaft A Position Signal Output Circuit Low Bank 2
- P23EB Camshaft A Position Signal Output Circuit High Bank 2
- P23EC Camshaft B Position Signal Output Circuit/Open Bank 1
- P23ED Camshaft B Position Signal Output Circuit Low Bank 1
- P23EE Camshaft B Position Signal Output Circuit High Bank 1
- P23EF Camshaft B Position Signal Output Circuit/Open Bank 2
- P23F0 Camshaft B Position Signal Output Circuit Low Bank 2
- P23F1 Camshaft B Position Signal Output Circuit High Bank 2
- P23F2 Cylinder 1 Injector B Air-Fuel Ratio Imbalance
- P23F3 Cylinder 2 Injector B Air-Fuel Ratio Imbalance
- P23F4 Cylinder 3 Injector B Air-Fuel Ratio Imbalance
- P23F5 Cylinder 4 Injector B Air-Fuel Ratio Imbalance
- P23F6 Cylinder 5 Injector B Air-Fuel Ratio Imbalance
- P23F7 Cylinder 6 Injector B Air-Fuel Ratio Imbalance
- P23F8 Cylinder 7 Injector B Air-Fuel Ratio Imbalance
- P23F9 Cylinder 8 Injector B Air-Fuel Ratio Imbalance
- P23FA Cylinder 9 Injector B Air-Fuel Ratio Imbalance
- P23FB Cylinder 10 Injector B Air-Fuel Ratio Imbalance
- P23FC Cylinder 11 Injector B Air-Fuel Ratio Imbalance
- P23FD Cylinder 12 Injector B Air-Fuel Ratio Imbalance
- P23FE Bank 1 System B Air-Fuel Ratio Imbalance
- P23FF Bank 2 System B Air-Fuel Ratio Imbalance