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TuningBot DTC Database · v4.37.15

P1842 Diagnostic Trouble Code (4 interpretations)

4 manufacturer-specific interpretations across 4 manufacturers in the TuningBot DTC database.

P · PowertrainTransmissionOBD2

Chevrolet

1 interpretation
P1842
1 - 2 Shift Solenoid Circuit Low Input Voltage Chevrolet · transmission Data confidence 80%

The control module detected that the signal in the 1 - 2 Shift Solenoid circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

Opel

1 interpretation
P1842
Throttle position (TP) sensor signal out of range Opel · engine Data confidence 62%

The control module detected that the Throttle position (TP) sensor value was outside the valid range. This is the manufacturer-specific definition used by Opel.

PSA

1 interpretation
P1842
Fault : permanent positive ECU supply : Open circuit PSA · engine Data confidence 72%

The control module detected an interruption (open circuit) in the Fault circuit. Documented for the MCP 6-speed piloted manual gearbox ECU on Peugeot applications; the same PSA control units are also fitted to Citroën models.

Applies to Peugeot MCP 6-speed piloted manual gearbox ECU

VAG

1 interpretation
P1842
Check DTC Memory Of Instrument Panel ECU VAG · instrument_cluster Data confidence 62%

The control module detected a fault associated with the Check DTC Memory Of Instrument Panel ECU circuit or function; the stored code identifies the affected component rather than a single failure mode. This is the manufacturer-specific definition used by Volkswagen.

Applies to Volkswagen

Related and nearby codes

How to read P1842

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

842

Specific fault index within the subsystem.

Frequently asked questions about P1842

What does P1842 mean?

Diagnostic Trouble Code (4 interpretations). The control module detected that the signal in the 1 - 2 Shift Solenoid circuit stayed below the expected operating range. This is the manufacturer-specific definition used by Chevrolet.

Is P1842 generic or manufacturer-specific?

P1842 is a manufacturer-specific code. In this database it is documented for: Chevrolet, Opel, PSA, VAG. The same number can mean something different on other brands.

Can TuningBot remove P1842 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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