THE CODE DIRECTORY

Diagnostic code references — Page 15.

Browse canonical reference entries. Each definition keeps its own source and vehicle-applicability limits.

Generic OBD-II

P02DE

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.

Cylinder 10 Fuel Injector A Offset Learning At Min Limit

Cylinder 10 Fuel Injector A Offset Learning At Max Limit

diesel throttle open-load detection with the driver off

diesel throttle cannot track its requested position

throttle short-to-ground detection uses H-bridge current

diesel throttle short-to-power hardware indication

A diesel throttle jammed result requires active position control

throttle fails to return to its default open position

Diesel Intake Air Flow A Position Sensor Circuit

Diesel throttle position does not follow its target

diesel throttle SENT position signal below range

throttle SENT feedback exceeds its upper electrical range

Diesel Intake Air Flow A Position Sensor Circuit Intermittent/Erratic

excessive current through the diesel throttle motor

High intake airflow is a closed-loop air-mass control discrepancy

Low intake airflow must be compared with the controller’s target

Cylinder 1 injector opening and closing inferred from voltage feedback

Cylinder 2 injector feedback can be present but implausible

Cylinder 3 injector feedback during sufficiently long pulses

injector 4 current takes too long or too little time to fall

cylinder 5 end-of-injection current-decay performance

injector 6 current-fall timing in the 25OBDG04B monitor

Cylinder 7 injector performance can concern an internal ADC buffer

Cylinder 8 injector performance uses event-based signal plausibility

Cylinder 9 Injector Circuit Range/Performance

Cylinder 10 Injector Circuit Range/Performance

Cylinder 11 Injector Circuit Range/Performance

Cylinder 12 Injector Circuit Range/Performance

Learned endstop failure must be checked after learning completes

Cold Start Fuel Injection Control Circuit/Open

Cold Start Fuel Injection Control Circuit Low

Cold Start Fuel Injection Control Circuit High

Cold Start Fuel Injection Control Circuit Range/Performance

Propulsion System Inactive Timer Performance

How crankshaft motion becomes evidence of random misfire

cylinder-1 misfire evidence across different observation windows

cylinder-2 attribution is not a single-component diagnosis

cylinder-3 misfire and weighted catalyst assessment

cylinder-4 misfire after startup qualification

cylinder-5 misfire rates and cold-start eligibility

cylinder-6 misfire needs valid timing information

cylinder-7 misfire counts versus an exhaust-bank total

cylinder-8 misfire and completed test frames

Cylinder 9 Misfire Detected

Ignition A Control Signal Circuit/Open

Ignition A Control Signal Circuit Low

Ignition A Control Signal Circuit High

Ignition B Control Signal Circuit/Open

Ignition B Control Signal Circuit Low

Ignition B Control Signal Circuit High

Cylinder 10 misfire evidence depends on the evaluation window

Cylinder 11 Misfire Detected

Cylinder 12 Misfire Detected

Low fuel is part of the misfire context, not a complete diagnosis

Single Cylinder Misfire (Cylinder not Specified)

Crankshaft variation data that are absent or invalid in memory

Misfire in the first thousand revolutions needs start-up evidence

Rough Road Hardware Not Present

Cadillac no-crank faults that point toward ECM power and communication

Rough Road Sensor B Signal Circuit

Ignition C Control Signal Circuit/Open

Ignition C Control Signal Circuit Low

Ignition C Control Signal Circuit High

Ignition D Control Signal Circuit/Open

Ignition D Control Signal Circuit Low

Ignition D Control Signal Circuit High

Ignition/Distributor Engine Speed Input Circuit

Ignition/Distributor Engine Speed Input Circuit Range/Performance

Ignition/Distributor Engine Speed Input Circuit No Signal

Ignition/Distributor Engine Speed Input Circuit Intermittent

Excessive filtered knock intensity, including false knock

Knock-sensor continuity checked with an internal test signal

A connected knock sensor with too little mechanical vibration

Low knock-sensor bias on either signal or return

High knock-sensor DC bias is different from strong knock

Knock/Combustion Vibration Sensor A Circuit Intermittent

Knock-sensor C open-load detection uses accumulated evidence

Knock-sensor C performance uses a normalized reference level

knock sensor C low filtered output

high output from the documented knock-sensor 3 circuit