DOCUMENTED DIAGNOSTIC CONTEXT

Diagnostic code articles — Page 2.

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.

Ford rear-drive control driver and the sensor-reference distinction

Explorer and Aviator transfer-case actuator harness contact

Very low current on the left-front wheel-speed signal

left-front wheel-speed performance has several meanings

left-front wheel-speed circuit-low interpretation

Excessive left-front wheel-speed signal current

left-front wheel-speed data integrity faults

left-front speed disagreement with transmission output

right-front wheel-speed signal current is too low

right-front wheel-speed air-gap and standstill checks

right-front circuit-low includes invalid signal patterns

right-front wheel-speed signal current too high

right-front wheel-speed transfer and parity errors

right-front wheel speed compared with transmission speed

left-rear wheel-speed circuit interruption or ground short

left-rear wheel-speed performance at rest and in motion

Left-rear wheel-speed low faults include more than one pattern

left-rear wheel-speed signal-line overcurrent

left-rear wheel-speed data transfer is unreliable

left-rear wheel speed fails a transmission comparison

right-rear wheel-speed signal current below its limit

right-rear wheel-speed signal quality and missing stop pulses

Right-rear wheel-speed low diagnosis and supply-current context

right-rear wheel-speed circuit-high is an electrical test

right-rear wheel-speed buffer and parity monitoring

right-rear wheel speed disagrees with transmission output

Mazda's left-front wheel-speed sensor type check

The right-front sensor can be the wrong type without a simple open circuit

A left-rear sensor compatibility finding in Mazda's DSC

Interpreting the right-rear ABS sensor type fault

IMU initialization or calibration status is unacceptable

ProMaster steering-angle calibration before steering-gear replacement

One ABS pump code can represent several different driver checks

An ABS motor-control fault can concern the internal gate-drive regulator

Read the motor-driver status before calling this battery overvoltage

Gate-drive undervoltage differs from low vehicle supply

Distinguish a driver held in reset from weak bootstrap charge

brake-coil supply feedback disagrees with its switch state

brake-pressure plausibility includes correlation and learned offset

a brake-pressure signal at its minimum value

brake pressure A reads high or exceeds the model

Longitudinal acceleration can fail by being frozen, offset or inconsistent

longitudinal acceleration compared with calculated motion

longitudinal acceleration circuit-low depends on sensor polarity

longitudinal acceleration circuit-high and substituted data

Left-front sensor compatibility is checked through its protocol

Why a right-front wheel-speed sensor can fail identification

Left-rear wheel-speed protocol does not match expectations

Right-rear wheel-speed sensor identification by message format

ABS pump supply drops relative to the internal reference

a documented brake-circuit compliance mismatch

Calculated leakage in the source’s second brake circuit

brake hydraulic-unit performance covers several self-tests

Brake pressure calibration status is not successful

Master-cylinder pressure feedback at its minimum reportable value

Master-cylinder pressure feedback reaches its maximum value

Pressure-sensor offset and internal SENT error share one code

The left-rear brake pressure signal is at its low electrical limit

The left-rear brake pressure signal exceeds its electrical range

GM left-rear brake-pressure zero offset

Brake booster temperature channel B has a low electrical input

High input on the booster’s second temperature channel

The brake-control bridge temperature signal must be plausible

brake-booster motor phase resistance and voltage plausibility

Brake motor phases fail expected low-state checks

brake-booster phase performance includes multiple plausibility checks

Low sine, cosine or vector magnitude in booster rotor feedback

Booster rotor-position feedback exceeds its permitted range

brake-booster motor position plausibility

Wagoneer brake-booster position fault and paired component replacement

An engine-control error reported by Mazda's brake controller

High booster current includes an idle-offset check

Negative booster-current limits are signed measurement checks

Booster motor performance can mean travel, self-test or pressure mismatch

brake-booster internal power driver fails supervision

Booster current-sensor self-tests inject known offsets

Unexpected deceleration during adaptive-cruise brake startup

Several service-test failures share the brake-module-B code

Brake pressure sensor B fails its test-pulse check

Wheel-speed supply overvoltage and stuck-on switching checks