OBD Guide
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P0370

Timing Reference High Resolution Signal A

P0370 is an OBD-II diagnostic trouble code meaning: Timing Reference High Resolution Signal A. Common causes: malfunction of the crankshaft position sensor, wiring harness damage. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Difficulty starting the engine
  • Power Loss
  • Floating idle speed
  • Increased fuel consumption
  • Interruptions in engine operation

Causes

  • Malfunction of the crankshaft position sensor
  • Wiring harness damage
  • Problems with the ignition module
  • Oxidation or poor contact in connectors
  • Improper installation or damage to timing gear

How to Fix

  1. Check the condition of the crankshaft position sensor
  2. Inspect the wiring harness for damage
  3. Check connectors and contacts for oxidation
  4. Check the ignition module
  5. If necessary, replace faulty components

Related codes

P0300P0301P0302P0365P0366

Error P0370 by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P0370 code mean?

P0370 is an OBD-II diagnostic trouble code that indicates: Timing Reference High Resolution Signal A

What causes a P0370 error code?

The most common causes of P0370 include: Malfunction of the crankshaft position sensor; Wiring harness damage; Problems with the ignition module; Oxidation or poor contact in connectors.

How do I fix a P0370 diagnostic trouble code?

To fix P0370: Check the condition of the crankshaft position sensor. Inspect the wiring harness for damage. Check connectors and contacts for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0370?

Limited driving only, diagnose soon

How much does it cost to fix P0370?

The estimated repair cost for P0370 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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