DOCUMENTED DIAGNOSTIC CONTEXT

Diagnostic code articles — Page 8.

Understand what the recorded fault means, which findings change the diagnosis, and what the cited documentation can confirm. Each article states the system or vehicle scope it covers.

Some sources leave details unresolved. Those articles include a visible source note; a code match alone does not establish applicability to your vehicle.

A high knock reference is different from a low circuit fault

Knock sensor B low is based on filtered output

knock sensor B high-circuit sampling

knock sensor 2 intermittency and a source identification caution

Crankshaft pulses missing during cranking or running

Crankshaft synchronization is unstable even when pulses exist

Crank position found and then lost during a drive cycle

Crank tooth-count plausibility in a GM implementation

Crank signal timing can be wrong even when pulses are present

Knock-sensor D circuit evidence needs a channel-label check

knock-sensor D reference-signal plausibility

Knock-sensor D low must be separated from an ambiguous sensor number

knock circuit high with an unresolved sensor label

Noisy crank data can undermine misfire and synchronization evidence

Bank 1 camshaft Sensor A pulses are missing

Bank 1 camshaft Sensor A produces the wrong pulse count

A low intake-cam signal means missing edges as the crank turns

bank-1 intake cam signal stops at a high level

Unexpected intake cam events can trigger an intermittent circuit result

Bank 2 intake cam circuit evaluation depends on engine-event relationships

Bank 2 intake-cam performance checks the signal pattern

bank-2 intake cam signal remains low without new edges

A high bank 2 intake-cam input is diagnosed when edges disappear

Bank 2 intake cam intermittency can be a misplaced event

Unexpected crankshaft position during a hybrid auto-start

Reported crankshaft direction reversals while the engine runs

Ignition control feedback fails to match the command

Cylinder 1 ignition-control open feedback during the off state

Cylinder 2 ignition output judged open by its driver

Cylinder 3 ignition-control circuit opening versus a weak spark

Coil D open-circuit interpretation needs the actual driver mapping

Coil E open-load evidence needs the internal driver mapping

ignition-coil circuit code with inconsistent coil lettering

Coil G continuity is monitored with its driver switched off

Coil H circuit diagnosis needs its internal channel mapping

Ford coil J primary-monitor feedback fault

fuel shutoff can be the response to a misfire

Bank 1 camshaft Sensor B pulse loss in crank-referenced windows

Bank 1 camshaft Sensor B pulse-count plausibility

bank-1 exhaust camshaft signal lost at low level

Bank 1 exhaust-cam high means a missing-edge electrical state

Resolve the bank 1 cam-channel label before diagnosing intermittency

Crankshaft-reference plausibility on the N62TU

Missing crankshaft reference points

The crankshaft reference position becomes erratic

The glow indicator circuit is separate from the glow plugs themselves

A high wait-to-start lamp circuit does not prove excessive glow-plug power

Silverado and Sierra harness contact in the 2.7L diagnostic case

glow-system sense feedback relative to supply voltage

glow feedback above the documented 5 V limit

Ford 7.3L glow-plug relay circuit check

wait-to-start lamp open-circuit monitoring

Jeep diesel glow-relay circuit B has two fault branches

Missing low-resolution crank pulses despite other timing signals

Present but inconsistent low-resolution crank timing

Bank 2 exhaust cam circuit monitoring is an event-pattern check

Bank 2 exhaust-cam performance checks edge order and spacing

A low bank 2 exhaust-cam signal is assessed when edges stop

bank-2 exhaust camshaft signal lost at high level

A bank 2 exhaust cam pulse can arrive in the wrong place

Cylinder 1 pressure-sensor plausibility and timing

Cylinder 1 pressure sensor circuit low

Cylinder 1 pressure sensor signal above its electrical limit

Cylinder 1 combustion information is unreliable

Cylinder 2 pressure function differs from a circuit-limit fault

Cylinder 2 pressure-sensor low input and shared-fault clues

Cylinder 2 pressure-sensor high input and ground integrity

Cylinder 2 combustion assessment cannot be trusted

Cylinder 3 pressure measurement fails a modeled-pressure check

Cylinder 3 pressure-sensor signal remains too low

Cylinder 3 pressure-sensor high signal

Cylinder 3 combustion signal reliability fault

Cylinder 4 pressure function and compression plausibility

Cylinder 4 pressure circuit below its valid electrical range

Cylinder 4 pressure input high despite the expected range

Cylinder 4 abnormal-combustion information and sensor reliability

Intake profile actuator C needs its own commanded continuity evidence

The third intake profile output is checked for a ground-directed fault

A high intake profile-C circuit result needs the on/off conflict resolved

Unexpected movement on intake profile C must be tied to the absent command