MANUFACTURER REFERENCE

Generic OBD-II code references — Page 56.

Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.

Generic OBD-II

P2469

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.

Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 3

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3

Vehicle Conditions Incorrect for Particulate Filter Regeneration

DPF restriction reaches the forced-power-limitation threshold

Ford DPF pressure sensors disagree under exhaust flow

identify exhaust-temperature sensor 4 before trusting its display label

Exhaust sensor 4 fails to warm plausibly after a soak

Exhaust temperature sensor 4 below its valid input range

High-range exhaust temperature sensor 4 input

EGT sensor 4 intermittent signal and rapid-change monitoring

Exhaust Gas Temperature Sensor Circuit Bank 2 Sensor 4

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 4

Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 4

Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 4

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 4

Ford exhaust-temperature sensor 1 exceeds engineering range

Ford exhaust-temperature sensor 2 high engineering-range fault

Ford exhaust-temperature sensor 3 exceeds its upper range

Ford exhaust-temperature sensor 4 upper-range fault

Exhaust Gas Temperature Out of Range Bank 2 Sensor 1

Exhaust Gas Temperature Out of Range Bank 2 Sensor 2

Exhaust Gas Temperature Out of Range Bank 2 Sensor 3

Exhaust Gas Temperature Out of Range Bank 2 Sensor 4

Exhaust Gas Temperature Sensor Circuit/Open Bank 1 Sensor 5

EGT sensor 5 circuit low across analog and digital systems

EGT sensor 5 circuit high and architecture-specific thresholds

EGT sensor 5 response plausibility after an engine-off soak

EGT sensor 5 intermittent signal and temperature-step evidence

Exhaust Gas Temperature Sensor Circuit/Open Bank 2 Sensor 5

Exhaust Gas Temperature Sensor Circuit Low Bank 2 Sensor 5

Exhaust Gas Temperature Sensor Circuit High Bank 2 Sensor 5

Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 2 Sensor 5

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 5

Reductant heater A supply low in the GM tank-heater monitor

Reductant heater A supply high relative to the powertrain relay

Reductant heater B supply low in the GM line-heater monitor

A DEF heater sense-high result is a voltage comparison

EGR Cooler Bypass Control Circuit/Open Bank 2

EGR Cooler Bypass Control Circuit Range/Performance Bank 2

EGR Cooler Bypass Control Circuit Low Bank 2

EGR Cooler Bypass Control Circuit High Bank 2

EGR Cooler Bypass Position Sensor Circuit Bank 1

EGR bypass tracking depends on completed offset learning

Low EGR bypass feedback is different from a closed valve

High bypass-sensor voltage does not establish full opening

EGR Cooler Bypass Position Sensor Circuit Intermittent/Erratic Bank 1

EGR Cooler Bypass Position Sensor Circuit Bank 2

EGR Cooler Bypass Position Sensor Range/Performance Bank 2

EGR Cooler Bypass Position Sensor Circuit Low Bank 2

EGR Cooler Bypass Position Sensor Circuit High Bank 2

EGR Cooler Bypass Position Sensor Circuit Intermittent/Erratic Bank 2

reductant pressure takes too long to enter closed-loop control

closed-loop reductant estimate indicates insufficient dosing

closed-loop reductant estimate indicates excessive dosing

DPF regeneration spends too little time in closed-loop control

DPF regeneration temperature remains below its target

DPF regeneration temperature exceeds its target

Incomplete DPF regeneration is judged by soot remaining afterward

Particulate Filter Restriction - Soot Accumulation Bank 2

DPF loading reaches the severe restriction threshold

The EGR bypass fails to return after drive is removed

EGR Cooler Bypass Control Stuck/Open Bank 2

EGR Cooler Coolant Pump Control Circuit/Open

EGR Cooler Coolant Pump Performance/Stuck Off

EGR Cooler Coolant Pump Control Circuit Low

EGR Cooler Coolant Pump Control Circuit High

EGR Cooler Coolant Pump Stuck On

EGR Cooler Coolant Pump Feedback Circuit Low

EGR Cooler Coolant Pump Feedback Circuit High

Particulate-sensor current stays too high after sensor regeneration

particulate sensor state feedback disagrees with its command

particulate sensor electrode response is too small

particulate sensor electrode signal shorted to power

Particulate Matter Sensor Circuit Intermittent

The particulate-sensor heater is checked while regeneration heating is on

Unexpected heater voltage appears while the particulate sensor is measuring

particulate sensor heater reports a ground-short condition

particulate sensor heater remains electrically active when off

Particulate-sensor heater resistance changes with temperature

EVAP System Leak Detection Pump Pressure Sensor Circuit