No signal from Output Shaft Speed sensor The output shaft speed sensor failed to provide a signal to the PCM upon initial movement of vehicle. Monitor IAT2 PID. Base engine concerns Engine not at operating temperature. Radios in Ford cars get stuck after ten unsuccessful attempts. Cylinder Head Temperature (CHT) Sensor Circuit Low Input (PCM STRATEGIES UP TO AND INCLUDING 1998) Indicates a CHT sensor circuit malfunction (open). Induction System: Grounded circuit in harness There are quite a few things that can cause the P0304 trouble code to trigger the Ford Fiesta. High Fan Control (HFC) Primary Circuit Failure Monitors the high fan control (HFC) primary circuit output from the PCM. Flexible Fuel (FF) Sensor Circuit Malfunction The FF sensor input signal to PCM is continuously monitored. A short to power can only be detected with the fuel pump commanded ON. See Possible Causes for DTC P0171. Open in FF sensor signal circuit I have a fault code b1A55 on a ford fiesta . If voltage were to fall below a calibrated limit and amount of time during testing, the test will fail. Shorted IMT valve circuit Correct range is 0.3 to 3.7 volts. IAT V PID reading less than 0.2 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. 4x4L harness open or shorted The test fails when the fuel control system no longer detects switching for a calibrated amount of time. Slow responding D.P.F. Coil driver circuit shorted to ground Faulty fuel injector driver within the PCM. Base engine concerns. Barometric Pressure Sensor Circuit in within limits. To access the test mode, hold the trip meter reset button in and turn the key to the on position, then the gauges will do a full sweep and state gauge on the LCD.. You are then able to press the button to get the details. If OK, clear continuous memory DTCs and re-initiate EVAP Emission Running Loss Monitor Drive Cycle. Damaged PCM. IMRC VPWR circuit open EEGR motor windings shorted or open circuited Improperly seated engine oil dipstick. In the pcm also there is a fault code Crash Hardwired signal(B1206) . Misfire is defined as lack of combustion in a cylinder due to absence of spark, poor fuel metering, poor compression, or any other cause. Crossed HO2S wiring at the 104-pin harness connectors (downstream). Continue driving and see if the check engine light turns off. Throttle Position (TP) Sensor Intermittent The TP sensor circuit is monitored by the PCM for sudden TP rotation angle (or voltage) input change through the comprehensive component monitor (CCM). Reprogram or update calibration. The test fails when the signal on the monitor pin is outside an expected calibrated range. Leaking gasket. Ford Fiesta Common Problems Solutions Hints and Tips. Please tell me how to solve the problem. Also please check out the statistics and reliability analysis of Ford Fiesta based on all problems reported for the Fiesta. Damaged FRP sensor Permanent DTC Overview Ford Motor Company February 2017 Version 1.0 Printed Copies Uncontrolled Page | 1 Permanent Diagnostic Trouble Codes (DTCs) A Permanent Diagnostic Trouble Code (DTC) is … Damaged coil The MIL will blink once per second when a misfire is detected severe enough to cause catalyst damage. Leaking gasket CHT sensor concern Sensor signal short to power Verify hose connection and routing (no excessive dips) Verify battery voltage is 14.5V. This code number references a number that is given to you when you plug your car into a OBDII scanner. Each DTC will distinguish the corresponding failed bank for IMRC actuator assemblies with dual monitor switches. DPFEGR circuit short to GND Intermittent open between the cycling pressure switch and pin 41 (ACCS) to the PCM Foreign vehicles may also use DTC codes different from the generic DTC codes. Damaged FTP sensor This test will detect this condition, set the DTC and prevent the torque converter from excessive cycling. Connector to EEGR not seated Improper harness connection IMRC monitor circuit open EGR sensor After market add-on If a malfunction is detected the EEGR system will be disabled and additional monitoring will be suspended for the remainder of the drive until the next drive cycle. The test fails when the inferred pressure is less than a minimum calibrated value. Damaged PCM For voltage to air flow gm/sec conversion, GO to Pinpoint Test DC and refer to Voltage To Mass Air Flow Conversion Table. ACP circuit short to VREF Engine coolant temperature at engine start exceeds IAT at engine start by more than a calibrated value, typically 30°F (1°C). The test fails when the inferred exhaust temperature is below a minimum calibrated value. EVAP Control System Canister Purge Valve Circuit Malfunction The PCM monitors the EVAP canister purge valve circuit for an electrical failure. Verify battery is at proper charge. Ford Fiesta P2138 if your catalytic convertor fails completely, you eventually won't be able to keep the car running. An attempt was made to change the calibration. On some applications when this fault occurs the Engine Temperature warning indicator will illuminate and/or force the temperature gauge to full H (Hot) zone by grounding the engine temperature warning circuit. Engine coolant temperature exceeds a calibrated value, typically 225F (107C). Damaged EGRVR solenoid If an intermittent condition is suspected the most effective methoid of wiring fault isolation is to use the wiggle test methoid while measuring for shorts and open circuits. Vacuum supply IAT V PID reading greater than 4.6 volts with key ON and engine OFF or during any engine operating mode indicates a hard fault. P1238 is identical to P1237 except P1238 will not illuminate the MIL. If the change in pressure is outside of the calibration the DTC will set. P0606 engine code for 2012 Ford Fiesta provides below are generic codes that may not apply to all vehicles. However, the system was troublesome, misunderstood by customers, and a rash of unpredictable failures led to the technology being quickly retired. DPF EGR circuit open EGR sensor hoses reversed Harness intermittently shorted, or open Open or short in harness. Also for Continental: VPWR circuit open Diagnostics and repair for the VCT unit are located in the Workshop Manual. Damaged FRP sensor. Blocked vacuum hose between EVAP canister purge valve-solenoid and engine intake manifold. Open VPWR circuit to fuel pump relay Damaged DPF EGR sensor P1168 Fuel Rail Sensor In-Range Low Failure. However there are external items that can cause this DTC. Damaged harness connector EGR valve leaks vacuum Damaged PCM Open circuit between PCM and relay P1158 Lack of Downstream Heated Oxygen Sensor Switch - Sensor Indicates Rich - Bank 2 - Read Our Article on Oxygen Sensor Codes For Help With This Ford Check Engine Light Code. Open VPWR circuit to FPDM The ECT sensor maximum is 4.6 volts or -50°C (-58°F). IMRC monitor signal circuit shorted to PWR GND or SIG RTN Incorrect tire size Open or shorted HFC circuit Refer to the Workshop Manual Section 413-01 for diagnostics. All Others: The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Vacuum Leaks Reason for Ford Fiesta P287A and find the solution for the code Ford Fiesta P287A , we'll give to how to fix Ford Fiesta P287A trouble code problem. When you check Ford Fiesta car engine light came on code P2119 the reason should be Engine Light ON (or Service Engine Soon Warning Light). The IAC solenoid resistance is from 6 to 13 ohms. A knock sensor voltage greater than 0.5V with the key ON and engine OFF indicates a hard fault. Damaged sensor The test fails when current draw exceeds a calibrated limit and/or an open or short is detected. Damaged PCM Open B+ circuit to constant control relay module (CCRM) pin 11 Follow correct Self-Test procedures, refer to Section 2, Quick Test . Damaged harness connector The HCF solenoid is integrated in the HCF pump which looks like a power steering pump. Once beyond an acceptable limit the DTC is set. Damaged harness Damaged exhaust manifold A FRP PID value below 551 kpa (80 psi) indicates a failure PSP sensor damaged Engine shutdown strategy function is the same on vehicles with and without oil temperature sensors. Open or short in BPA circuit OSS sensor circuit short to PWR Improper harness connection Intercooler pump or relay failure Damaged EVAP canister Open or shorted low fuel pump (LFP) circuit Open or short to PWR in harness. SIG RTN circuit open The code indicates the PSP sensor circuit is shorted to power. Damaged harness connector If the MIL is on steady state, due to a misfire, this will indicate the threshold for emissions was exceeded and cause the vehicle to fail an inspection and maintenance tailpipe test. Cylinder compression EVAP system component seals leaking (refer to Possible Causes under DTC P0442). Low fuel pressure. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. Damaged knock sensor If during the last 80 warm-up cycles in key ON engine running the PCM detects a TP rotation angle (or voltage) changes beyond the minimum or maximum calibrated limit, a continuous diagnostic trouble code (DTC) is stored. B1213:Less than 2 (or 3 if equipped w/Valet key) keys programmed to the system. The test fails when the camshaft timing exceeds a maximum calibrated value or remains in an advanced position. FLI circuit open The test fails when the signal moves outside the minimum or maximum allowable calibrated parameters for a specified purge duty cycle by PCM command. As catalyst efficiency deteriorates, its ability to store oxygen declines and the downstream HO2S signal begins to switch more rapidly with increase amplitude, approaching the switching rate and amplitude of the upstream HO2S. Vehicle Speed Sensor (VSS) Intermittent Indicates the powertrain control module (PCM) detected an error in the vehicle speed information. Monitors the canister vent (CV) solenoid circuit for an electrical failure. An open circuit or short to ground can only be detected when the PCM is not grounding the circuit Medium Fan Control (MFC) Primary Circuit Failure Monitors the medium fan control (MFC) primary circuit output from the PCM. Firstly, do you know what a key number looks like? Engine Oil Temperature (EOT) Sensor Circuit Malfunction Indicates EOT circuit became intermittently open or shorted while engine was running. Contaminated or damaged sensor. Crossed HO2S wiring at the harness connectors (upstream). High fuel pressure When exercising either the PNP or CPP switch the voltage should cycle from 5.0V to low. For users familiar with Ford IDS diagnostics we have included screenshots of Ford IDS for comparison. Air Conditioning Pressure Sensor (ACP) Insufficient Pressure Change Each time the A/C clutch engages, the PCM is looking for a pressure change in the refrigerant. For additional information on the engine rpm/vehicle speed limiter, refer to Section 1, Electronic Engine Control (EC) System , Powertrain Control Software. Detected Sensor operating voltage is greater than 5.0 volts (VREF), as a result it failed above maximum allowable calibrated parameter. Fuel pump secondary circuits short to power Damaged PCM Low speed fuel pump relay not switching Damaged high speed FC relay (or CCRM) DPFEGR circuit short to PWR Engine over temperature EVAP Control System Leak Detected (Very Small Leak) The PCM monitors the complete EVAP control system for the presence of a very small fuel vapor leak. Open or short in the vehicle speed circuit(s) (VSC) between the PCM and appropriate control module. This free video provides the steps to diagnose and clear a check engine light on a 2011 When you see P2450 Ford Fiesta engine fault code on your engine code reader this description will help you. Verify DPF EGR sensor proper mounting and function (view DPF EGR PID while applying and releasing vacuum directly to sensor with a hand pump), DPF EGR Sensor Downstream Hose Off or Plugged While driving, the EGR monitor commands the EGR valve closed and checks the differential pressure across the EGR orifice. Harness open or shorted to power or ground EGR sensor hoses both off Alternately, you can purchase a gas cap … Inlet Manifold Runner Control Malfunction (Stuck Closed) The IMRC system is monitored for failure during continuous, key ON engine OFF or key ON engine running self-test. Powertrain control module Pinched, shorted, and corroded wiring and pins. Using Output Test Mode on scan tool, when commanding the low speed fan on, the PCM will also activate the medium speed fan output. Damaged CV solenoid Damaged VSS Open in TCSS signal or TCSS signal return harness circuit. Low Speed Fuel Pump Primary Circuit Malfunction The PCM monitors the low speed fuel pump (LFP) primary circuit output from the PCM. Monitor VSS PID while driving vehicle. P1234 is identical to P1233 except P1234 will not illuminate the MIL. 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It yourself unless you 're an experienced mechanic once secondary module, the does! In which the misfire has occurred appointment today to get the codes shown below 225F ( 107C....