:  Dec 17, 2007



Overview

For additional information, refer to the relevant section of the workshop manual.

Inspection and Verification

. Verify the customer concern.

. Visually inspect for obvious mechanical or electrical faults.

Mechanical Electrical
  • Leaks
  • Metal fatigue
  • Pipes
  • Catalytic converter
  • Muffler(s)
  • Joints
  • Mountings
  • Clearance around components
  • Fuses
  • Wiring harness
  • Electrical connector(s)
  • Sensor(s)
  • Engine control module (ECM)

. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.

. Use the approved diagnostic system or a scan tool to retrieve any diagnostic trouble codes (DTCs) before moving onto the symptom chart or DTC index.
  Make sure that all DTCs are cleared following rectification.
Make sure that all DTCs are cleared following rectification.

Symptom Chart

Symptom Possible causes Action
Noisy or leaking exhaust
  • Exhaust system/components
Install new components as necessary. Refer to the relevant section of the workshop manual.
Lack of power
  • Air intake system fault
  • Restricted exhaust system
  • Low fuel pressure
Check the air intake system. Check for a blocked catalytic converter or muffler, install new components as necessary. Check the fuel pressure. Refer to the relevant section of the workshop manual.

DTC index

:
  Generic scan tools may not read the codes listed, or may read only 5-digit codes. Match the 5 digits from the scan tool to the first 5 digits of the 7-digit code listed to identify the fault (the last 2 digits give extra information read by the manufacturer-approved diagnostic system).

:
  For a full list of ECM DTCs, refer to section 303-14 - Electronic Engine Controls section of the workshop manual.

DTC Description Possible causes Action
P042562 Catalyst Temperature Sensor Circuit (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor signal compare failure (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor correlation compare with at least two other sensors
  • Pre-catalytic converter temperature sensor failure
  • Pre-catalytic converter temperature sensor circuit - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. Check pre-catalytic converter temperature sensor for dirt contamination, corrosion, water ingress damage. Replace pre-catalytic converter temperature sensor
P042600 Catalyst Temperature Sensor Circuit Range/Performance (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor gradient check (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor failure
  • Pre-catalytic converter temperature sensor circuit - short to ground, power or open circuit
  • Pre-catalytic converter temperature sensor circuit high resistance
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. Intermittent poor or dirty connections. Install a new sensor as required
P04261A Catalyst Temperature Sensor Circuit Range/Performance (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor circuit resistance below threshold (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor plausibility at cold start, temperature difference too high
  • Pre-catalytic converter temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for low resistance, short to ground. Replace pre-catalytic converter temperature sensor
P04261B Catalyst Temperature Sensor Circuit Range/Performance (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor circuit resistance above threshold (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor plausibility at cold start, temperature difference too low
  • Pre-catalytic converter temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for high resistance, open circuit. Replace pre-catalytic converter temperature sensor
P04261E Catalyst Temperature Sensor Circuit Range/Performance (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor circuit resistance out of range (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor plausibility at engine running, temperature too low
  • Pre-catalytic converter temperature sensor stuck at low temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. Check pre-catalytic converter temperature sensor for dirt contamination, corrosion, water ingress damage. Replace pre-catalytic converter temperature sensor
P042700 Catalyst Temperature Sensor Circuit Low (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor signal below minimum threshold voltage (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor failure
  • Pre-catalytic converter temperature sensor circuit - short to ground
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check pre-catalytic converter temperature sensor circuit for short to ground. Install a new sensor as required
P042800 Catalyst Temperature Sensor Circuit High (Bank 1, Sensor Circuit 1)
  • Pre-catalytic converter temperature sensor signal above maximum threshold voltage (right hand bank sensor 1)
  • Pre-catalytic converter temperature sensor failure
  • Pre-catalytic converter temperature sensor circuit - short power, open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check Pre-catalytic converter temperature sensor circuit for short to power, open circuit. Install a new sensor as required
P042A62 Catalyst Temperature Sensor Circuit (Bank 1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor signal compare failure (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor correlation compare with at least two other sensors
  • Post-catalytic converter temperature sensor failure
  • Post-catalytic converter temperature sensor circuit - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. check post-catalytic converter temperature sensor for dirt contamination, corrosion, water ingress damage. Replace post-catalytic converter temperature sensor
P042B00 Catalyst Temperature Sensor Circuit Range/Performance (Bank1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor gradient check (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor failure
  • Post-catalytic converter temperature sensor circuit - short to ground, power or open circuit
  • Post-catalytic converter temperature sensor circuit - high resistance
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. Intermittent poor or dirty connections. Install a new sensor as required
P042B1A Catalyst Temperature Sensor Circuit Range/Performance (Bank1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor circuit resistance below threshold (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor plausibility at cold start, temperature difference too high
  • Post-catalytic converter temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for low resistance, short to ground. Replace post-catalytic converter temperature sensor
P042B1B Catalyst Temperature Sensor Circuit Range/Performance (Bank1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor circuit resistance above threshold (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor plausibility at cold start, temperature difference too low
  • Post-catalytic converter temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for high resistance, open circuit. Replace post-catalytic converter temperature sensor
P042B1E Catalyst Temperature Sensor Circuit Range/Performance (Bank1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor circuit resistance out of range (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor plausibility at engine running, temperature too low
  • Post-catalytic converter temperature sensor stuck at low temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for open circuit, short to ground, short to power. check post-catalytic converter temperature sensor for dirt contamination, corrosion, water ingress damage. Replace post-catalytic converter temperature sensor
P042C00 Catalyst Temperature Sensor Circuit Low (Bank 1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor signal below minimum threshold voltage (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor failure
  • Post-catalytic converter temperature sensor circuit - short to ground
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for short to ground. Install a new sensor as required
P042D00 Catalyst Temperature Sensor Circuit High (Bank 1, Sensor Circuit 2)
  • Post-catalytic converter temperature sensor signal above maximum threshold voltage (right hand bank sensor 2)
  • Post-catalytic converter temperature sensor failure
  • Post-catalytic converter temperature sensor circuit - short to power, open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post-catalytic converter temperature sensor circuit for short to power, open circuit. Install a new sensor as required
P242A62 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3
  • Post DPF temperature sensor signal compare failure (right hand bank sensor 3)
  • Post DPF temperature sensor correlation compare with at least two other sensors
  • Post DPF temperature sensor failure
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for open circuit, short to ground, short to power. Check post DPF temperature sensor for dirt contamination, corrosion, water ingress damage. Replace post DPF temperature sensor
P242B1A Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
  • Post DPF temperature sensor circuit resistance below threshold (right hand bank sensor 3)
  • Post DPF temperature sensor plausibility at cold start, temperature difference too high
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for low resistance, short to ground. Replace post DPF temperature sensor
P242B1B Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
  • Post DPF temperature sensor circuit resistance above threshold (right hand bank sensor 3)
  • Post DPF temperature sensor plausibility at cold start, temperature difference too low
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor stuck at high temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for high resistance, open circuit. Replace post DPF temperature sensor
P242B1E Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3
  • Post DPF temperature sensor circuit resistance out of range (right hand bank sensor 3)
  • Post DPF temperature sensor plausibility at engine running, temperature too low
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor stuck at low temperature value
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for open circuit, short to ground, short to power. Check post DPF temperature sensor for dirt contamination, corrosion, water ingress damage. Replace post DPF temperature sensor
P242C00 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
  • Post DPF temperature sensor signal below minimum threshold voltage (right hand bank sensor 3)
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor circuit -short to ground, high resistance
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for short to ground, high resistance. Install a new sensor as required
P242D00 Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 3
  • Post DPF temperature sensor signal above max threshold voltage (right hand bank sensor 3)
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor circuit - short to power, open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for short to power, open circuit. Install a new sensor as required
P242E00 Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 1 Sensor 3
  • Post DPF temperature sensor gradient check (right hand bank sensor 3)
  • Post DPF temperature sensor failure
  • Post DPF temperature sensor circuit - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check post DPF temperature sensor circuit for open circuit, short to ground, short to power. Intermittent poor or dirty connections. Install a new sensor as required
P242F68 Diesel Particulate Filter Restriction - Ash Accumulation
  • DPF event information
  • DPF partially blocked
  • DPF circuit internal to ECM
DPF regeneration required. Refer to driver handbook.
P244A00 Diesel Particulate Filter Differential Pressure Too Low(Bank1)
  • Differential pressure on particulate filter too low right hand bank
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for open circuit, short to ground, short to power. Check DPS system external pipework for breakage or leakage. Check DPF internal filter brick for failure. Install DPF as required
P244B00 Diesel Particulate Filter Differential Pressure Too High (Bank 1)
  • Differential pressure on particulate filter too high right hand bank
  • Diesel particulate filter internal failure
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Contact Dealer Technical Support
P245300 Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance
  • Differential pressure on particulate filter sensor plausibility before start
  • DPS system contaminated or blocked
  • DPS stuck
  • DPS - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for open circuit, short to ground, short to power. Check DPS system for contamination or blockage. Check DPS for sticking. Install sensor as required
P245329 Diesel Particulate Filter Pressure Sensor A Circuit Range/Performance
  • DPS signal invalid
  • Differential pressure on particulate filter sensor plausibility check at engine running
  • DPS system contaminated or blocked
  • DPS stuck
  • DPS - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for open circuit, short to ground, short to power. Check DPS system for contamination or blockage. Check DPS system external pipework for breakage or leakage. Check DPS for sticking. Install sensor as required
P245400 Diesel Particulate Filter Pressure Sensor A Circuit Low
  • DPS signal below minimum threshold
  • DPS failure
  • DPS circuit - short to ground, high resistance
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for short to ground, high resistance. Install sensor as required
P245500 Diesel Particulate Filter Pressure Sensor A Circuit High
  • DPS signal above maximum threshold
  • DPS failure
  • DPS circuit - short to power, open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for open circuit, short to power. Install sensor as required
P245600 Diesel Particulate Filter Pressure Sensor A Circuit Intermittent/Erratic
  • DPS signal gradient not plausible
  • DPS failure
  • DPS circuit - short to ground, power or open circuit
Carry out any pinpoint test associated with this DTC using the manufacturer approved diagnostic system. Refer to the electrical guides and check DPS circuit for open circuit, short to ground, short to power. Install sensor as required
P245800 Diesel Particulate Filter Regeneration Duration
  • Delay timer for regeneration exceeds threshold
  • DPF circuit internal to ECM
Contact Dealer Technical Support