P0340 · Manufacturer communications

CHEVROLET, GMC · 2019-04-29

This Preliminary information communicates the following issues and directs dealership to inspect the engine harness for shorting. Some customers may comment on any of the following concerns: - SES MIL - No Start - No Crank - Engine runs rough - Reduced engine power - Erratic speedo When checking for DTC's any combination may be found: P001A P2B00 P2B01 P2B03 P2B96 P001B P003D P0107 P018C P01E5 P01E6 P01E7 P0237 P0340 P0341 P0355 P0365 P037C P03F0 P0521 P0522 P0532 P0616 P077C P07BF P1101 P112F P146D P159F p16A0 p16A2 P2122 P26E5 P2812 P2814 P2B53 P2C05 P2C08 P2C09 P2C0C P2C0D P2C10 P2C12 P2C15 P2C16 P2C19 P305E P3084 P3089 P308E P3093 P3094 P3095 P3098 P30B0 P30B3 P30CF U0100 U0101 U0140 U0644 U0672

MAZDA · 2018-12-06

If you receive a customer complain of lack of power, rough idle, engine noise with stored DTC's P0340:00, P0304:00, P3400:00, P349B:00, and/or P3498:00, perform the following.

CADILLAC, CHEVROLET, GMC · 2018-09-11

This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.

CADILLAC, CHEVROLET, GMC · 2018-06-12

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.

CADILLAC, CHEVROLET, GMC · 2018-02-02

This Preliminary information communicatesThe vehicle may have an ses lamp with any of the following DTC P06DA, P06DB, P06DC, P06B6, P06B7, P250A, P0300, P0340, P0341, P0335, P0336, P0641, P0011, P0010, P2088, P2089, and/or P2230. Possible crank no start or a stall. possible wiring jumper harness chaffed at the bolt at the X154 connector on lower left side of the frount cover.

BUICK, CADILLAC, CHEVROLET, GMC · 2017-12-13

This engineering informational bulletin ends the need for information from the field on vehicles that have the condition of Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set.

BUICK, CHEVROLET · 2017-11-21

This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.

DODGE, JEEP · 2017-09-23

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P0556 - Brake Booster Pressure Sensor Circuit Performance. P040B - Exhaust Gas Recirculation Temperature Sensor 1 Circuit Performance(3.6L Only). U1424 - Implausible Engine Torque Signal Received(2017 MY Only). P2681 - Engine Coolant Bypass Valve Control Circuit Open(3.6L Only). P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. B23C3 - Stop/Start Disable Switch 1/2 Correlation(3.0L and 3.6L Only). The following DTCs have been changed from a one…

BUICK, CHEVROLET · 2017-09-13

This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC's P0335 P0340 P0365 set current or in history. The Technician is advised to Perform the Battery Inspection/Test in Service Information using the GR8/EL 50313 - 20 Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.

RAM · 2017-09-07

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following DTCs have been set:U1424 - Implausible Engine Torque Signal Received. P1DD2-00 - Torque Request Signal From TCM Denied. U0402 - Implausible Data Received From TCM. P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of…

DODGE, JEEP · 2017-08-29

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one of the following DTCs have been set:P040B - Exhaust Gas Recirculation Temperature Sensor 1 Circuit Performance(2017 MY with a 3.6L Only). U1424 - Implausible Engine Torque Signal Received(2017 MY Only). P2681 - Engine Coolant Bypass Valve Control Circuit Open(3.6L Only). P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible. B23C3 - Stop/Start Disable Switch 1/2 Correlation(3.0L and 3.6L Only). The following DTCs have been changed from a one trip fault to a two trip fault for(3.0L and…

CADILLAC, CHEVROLET, GMC · 2017-08-21

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.

CHRYSLER · 2017-08-09

Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with thelatest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find the following DiagnosticTrouble Codes (DTCs) have been set:U1400-00 - Implausible TPS Signal Received P1D73 - AGS Performance -(Active Grill Shutter). P0171 - Fuel System 1/1 Lean. P0174 - Fuel System 2/1 Lean. The following Diagnostic Trouble Codes (DTCs) have been changed from a one trip fault to atwo trip fault:P0335 - Crankshaft Position Sensor Circuit. P0339 - Crankshaft Position Sensor Intermittent. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0344 - Camshaft Position Sensor Intermittent…

RAM · 2017-06-29

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the following Diagnostic Trouble Codes (DTCs) have been set:P0128 - Thermostat Rationality. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106C - Cylinder 4 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. P0171 - Fuel System 1/1 Lean. P0441 - EVAP Purge System…

BUICK · 2017-05-22

This engineering informational bulletin is requesting information from the field on vehicles that have the condition of Engineering Information — Malfunction Indicator Lamp Illuminated with DTCs P0335, P0340, or P0365 Set.

CHRYSLER, DODGE · 2017-03-23

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs set in the PCM memory: U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0128 - Thermostat Rationality. P0335 - Crankshaft Position Sensor Circuit. P0340 - Camshaft Position Sensor Circuit Bank 1 Sensor 1. U1424-00 - Implausible Engine Torque Signal Received. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil…

CHRYSLER, DODGE · 2017-03-23

Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DTCs set in the PCM memory: U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0128 - Thermostat Rationality. P0335 - Crankshaft Position Sensor Circuit. P0340 - Camshaft Position Sensor Circuit Bank 1 Sensor 1. U1424-00 - Implausible Engine Torque Signal Received. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3 Oil…

BUICK, CHEVROLET · 2017-03-06

This Preliminary information communicatesthe steps to diagnose and repair the concern of MIL on with DTC'sP0335 P0340 P0365 set current or in history. The Technician is advised to Perform theBattery Inspection / Test in Service Information using the GR8 /EL 50313 - 20Battery Tester. The Technician will make repairs or release the vehicle based on the results of the testing.

JEEP · 2016-11-11

Flash: Powertrain Diagnostic And System EnhancementsThis bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following DiagnosticTrouble Codes (DTCs):P0128 - Thermostat Rationality. P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. U1504 - Implausible Message Data Length Received From Steering Angle Sensor. P0335 - Crankshaft Position Sensor Circuit.P0101 - Mass Air Flow Sensor "A" Circuit Performance. P1066 - Cylinder 1 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P1068 - Cylinder 2 Oil Supply Solenoid Valve Switch Off Time Out Of Range. P106A - Cylinder 3…

CHRYSLER, DODGE, JEEP · 2016-08-24

PSU Exhaust Phaser 05048043AB If replacing the Exhaust Phaser for the following codes: P0340 Cam Missing/Camshaft Sensor Circuit and/or P0345 Cam Missing/Camshaft Sensor Circuit Engineering is requesting that all three Valve Timing components (Phaser, Actuator, OCV) be replaced.~ Please label the components of which bank they came from prior to parts return. ~ Phaser 05048043AB Actuator 05048045AB OCV 05048044AB Please call Joe Lovell at cell (734) 309-6467 with any questions If a response is not received within 15 mins , then proceed with diagnostics/repair.

DODGE, JEEP · 2016-08-24

PSU Exhaust Phaser 05048043AB If replacing the Exhaust Phaser for the following codes: P0340 Cam Missing/Camshaft Sensor Circuit and/or P0345 Cam Missing/Camshaft Sensor Circuit Engineering is requesting that all three Valve Timing components (Phaser, Actuator, OCV) be replaced.~ Please label the components of which bank they came from prior to parts return. ~ Phaser 05048043AB Actuator 05048045AB OCV 05048044AB Please call Joe Lovell at cell (734) 309-6467 with any questions If a response is not received within 15 mins , then proceed with diagnostics/repair.

CHRYSLER, DODGE · 2015-11-19

Flash: PCM Software Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the Powertrain Control Module (PCM): ? U0140 - Lost Communication With Body Control Module. ? U0401 - Implausible Data Received From ECM/PCM. ? P0441 - Evap Purge System Performance. ? P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1. This software update also has improvements for fuel pump relay cycling during remote starts.

CADILLAC, CHEVROLET, GMC · 2015-10-13

This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Codes P0340 and P0341 setting at times. Technician should use normal published Service Information diagnostics. If normal Service Information diagnostics does not isolate the concern, inspect for corrosion in connector X154 located on the front cover next to the vacuum pump.

CHRYSLER, DODGE · 2015-09-29

Flash: PCM Software Enhancements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find one of the following Diagnostic Trouble Codes (DTCs) have been set: ? U0401-00 - Implausible Data Received From ECM/PCM ? P0441 - Evap Purge System Performance ? P0340 - Camshaft Position Sensor Circuit - Bank 1 Sensor 1 This software update also has improvements for fuel pump relay cycling during remote starts.

CHRYSLER, DODGE, FIAT, JEEP, RAM · 2015-08-11

Camshaft Position Sensor If replacing a camshaft position sensor for P0340 and/or P0344 fault codes, please review information below and contact Andrew Action on his cell phone: (248) 421- 4130. If no response is received within 15 minutes, please continue with repair.~ Before clearing any codes please pull Freeze Frame and CamCrank Sync Event Monitor data (instructions below) from the PCM and send the PDF?s to Andrew Acton by email: andrew.acton@fcagroup.com~ Instructions to access CamCrank Sync Event Monitor:~ - From wiTECH main screen~ - Monitors tab~ - OBDII Monitors~ - Select Cam Crank Synchronization Event Monitor from the list~ - Should bring up 3 or 4 pages of data~ - Click on create PDF icon in lower right corner~ - email PDF to andrew.acton@fcagroup.com

CHRYSLER, DODGE, FIAT, JEEP, RAM · 2015-08-04

Camshaft Position Sensor If replacing a camshaft position sensor for P0340, P0344, P0345, P0349, P0365, P0369, P0390 or P0394 fault codes, please review information below and contact Tom Nies on his cell phone: (248) 494-0187. If no response is received within 15 minutes, please continue with repair. Before clearing any codes, please pull Freeze Frame and CamCrank Sync Event Monitor data (instructions below) from the PCM and send the PDF?s to Tom Nies by email: tom.nies@fcagroup.com~ Instructions to access Cam/Crank Sync Event Monitor: - From wiTECH main screen - Monitors tab - OBDII Monitors - Select Cam Crank Synchronization Event Monitor from the list - Should bring up 3 or 4 pages of data - Click on create PDF icon in lower right corner - email PDF to tom.nies@fcagroup.com

CHRYSLER · 2015-06-05

Camshaft Position Sensor Before replacing the camshaft position sensor for P0340 or P0344 fault codes, please call Andrew Acton on his cell (248) 421-4130. If no response is received within 15 minutes, please continue with repair.

SCION · 2014-05-30

TSB: Some 2013 model year FR-S vehicles may exhibit intake and/or exhaust camshaft position sensor related and/or engine misfire DTCs (P0340, P0341, P0345, P0346, P0365, P0366, P0390, P0391, P0301, P0302, P0303, and P0304) due to the camshaft position sensor clearance being out of specification. In addition, some vehicles may also experience rough idle or extended cranking. This bulletin provides inspection and repair procedures to improve this condition.

TOYOTA · 2014-05-01

Tech Tip: Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and/or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rotational speed of the engine's crankshaft.

LEXUS · 2014-04-29

Low battery voltage can contribute to a MIL "ON" condition for P0335 (Crankshaft Position Sensor Circuit) and or P0340 (Camshaft Position Sensor Circuit) due to inconsistent rational speed of the engine's crankshaft.