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Diagnostic trouble code

P1842

P1842 Fault Code

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Car Codes diagnostic trouble code

P1842Diagnostic priority

IF YOU ENCOUNTER A VEHICLE THAT HAS THE OIL TEMPERATURE WARNING LAMP FLASHING WITH P0751, P0756, P0761, P0766, P0771, P1840, P1841, P1842, P1843 OR P1844 STORED IN MEMORY AND POSSIBLY AN INTERMITTENT STALLING CONDITION, IT MAY BE THE RESULT OF CONTAMINATION IN THE VALVE BODY. INSTEAD OF REPLACING THE VALVE BODY, FLUSH THE TRANSMISSION AND PERFORM THE DYNAMIC CHECK MODE PROCEDURE.

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Code interpretation

What P1842 means

This code indicates Vehicle fault code with verified manufacturer evidence Its precise meaning depends on the reporting control module, complete failure-type suffix, model year, powertrain and software level.

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Driver experience

Symptoms you may notice

A stored diagnostic trouble code or a related system warning.

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Test, do not guess

Possible causes

The precise cause depends on the reporting module, vehicle specification, circuit condition and software level.

Evidence-led checks

Recommended diagnostic route

Save the complete scan and confirm the code against model-specific technical information before testing.

  1. Capture the evidenceSave the complete all-module scan, code suffixes and freeze-frame data.
  2. Prove the basicsTest battery condition, system voltage, power and grounds.
  3. Identify the reporterConfirm the module that logged the code and check circuit integrity.
  4. Compare live dataReview commanded and actual values under the conditions that set the code.
  5. Test before replacingUse model-specific wiring diagrams, pin tests and technical information.
  6. Verify the repairClear the code only after recording evidence, then confirm it does not return.

Vehicle fitment

Vehicle applicability

Subaru Outback

Before clearing

Can the code be cleared?

Clearing a code without fixing the cause removes useful evidence and may only switch the warning off temporarily. Save the full scan first; a permanent or repeatedly returning code needs testing.

A DTC is evidence, not a parts order.

Confirm the suffix, reporting module, model, year, engine and live data before replacing a component.

Verified public evidence

Manufacturer and model coverage

4 public manufacturer records match this search. These records support applicability research but do not replace VIN-specific workshop information.

P1842Subaru Outback
OUTBACK · 2010 · Powertrain

IF YOU ENCOUNTER A VEHICLE THAT HAS THE OIL TEMPERATURE WARNING LAMP FLASHING WITH P0751, P0756, P0761, P0766, P0771, P1840, P1841, P1842, P1843 OR P1844 STORED IN MEMORY AND POSSIBLY…

Source
P1842Subaru Outback
OUTBACK · 2011 · Powertrain

IF YOU ENCOUNTER A VEHICLE THAT HAS THE OIL TEMPERATURE WARNING LAMP FLASHING WITH P0751, P0756, P0761, P0766, P0771, P1840, P1841, P1842, P1843 OR P1844 STORED IN MEMORY AND POSSIBLY…

Source
P1842Subaru Outback
OUTBACK · 2012 · Powertrain

IF YOU ENCOUNTER A VEHICLE THAT HAS THE OIL TEMPERATURE WARNING LAMP FLASHING WITH P0751, P0756, P0761, P0766, P0771, P1840, P1841, P1842, P1843 OR P1844 STORED IN MEMORY AND POSSIBLY…

Source
P1842Subaru Outback
OUTBACK · 2013 · Powertrain

IF YOU ENCOUNTER A VEHICLE THAT HAS THE OIL TEMPERATURE WARNING LAMP FLASHING WITH P0751, P0756, P0761, P0766, P0771, P1840, P1841, P1842, P1843 OR P1844 STORED IN MEMORY AND POSSIBLY…

Source